Home / 145,267,112,886.36-200,468,059,163.46-81,037,786,041.25

Finding the Fourth Proportional to 145,267,112,886.36, 200,468,059,163.46 and 81,037,786,041.25

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Solution

The fourth proportional to 145,267,112,886.36, 200,468,059,163.46 and 81,037,786,041.25 is: 111,831,834,224.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,267,112,886.36 : 200,468,059,163.46 = 81,037,786,041.25 : x
  2. Step 2: Convert to fraction form
    145,267,112,886.36/200,468,059,163.46 = 81,037,786,041.25/x
  3. Step 3: Cross multiply
    145,267,112,886.36x = 200,468,059,163.46 × 81,037,786,041.25
  4. Step 4: Simplify right side
    145,267,112,886.36x = 16,245,487,686,593,116,372,992
  5. Step 5: Solve for x
    x = 16,245,487,686,593,116,372,992/145,267,112,886.36
  6. Step 6: Final answer
    x = 111,831,834,224.60

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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.