Home / 145,267,112,885.24-200,468,059,161.90-81,037,786,040.12

Finding the Fourth Proportional to 145,267,112,885.24, 200,468,059,161.90 and 81,037,786,040.12

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Solution

The fourth proportional to 145,267,112,885.24, 200,468,059,161.90 and 81,037,786,040.12 is: 111,831,834,223.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,267,112,885.24 : 200,468,059,161.90 = 81,037,786,040.12 : x
  2. Step 2: Convert to fraction form
    145,267,112,885.24/200,468,059,161.90 = 81,037,786,040.12/x
  3. Step 3: Cross multiply
    145,267,112,885.24x = 200,468,059,161.90 × 81,037,786,040.12
  4. Step 4: Simplify right side
    145,267,112,885.24x = 16,245,487,686,240,167,788,544
  5. Step 5: Solve for x
    x = 16,245,487,686,240,167,788,544/145,267,112,885.24
  6. Step 6: Final answer
    x = 111,831,834,223.03

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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.