Home / 145,267,112,885.36-200,468,059,162.08-81,037,786,040.25

Finding the Fourth Proportional to 145,267,112,885.36, 200,468,059,162.08 and 81,037,786,040.25

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Solution

The fourth proportional to 145,267,112,885.36, 200,468,059,162.08 and 81,037,786,040.25 is: 111,831,834,223.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,267,112,885.36 : 200,468,059,162.08 = 81,037,786,040.25 : x
  2. Step 2: Convert to fraction form
    145,267,112,885.36/200,468,059,162.08 = 81,037,786,040.25/x
  3. Step 3: Cross multiply
    145,267,112,885.36x = 200,468,059,162.08 × 81,037,786,040.25
  4. Step 4: Simplify right side
    145,267,112,885.36x = 16,245,487,686,280,816,885,760
  5. Step 5: Solve for x
    x = 16,245,487,686,280,816,885,760/145,267,112,885.36
  6. Step 6: Final answer
    x = 111,831,834,223.22

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.