Home / 105,457,997.20-158,129,329.56-83,737,899.28

Finding the Fourth Proportional to 105,457,997.20, 158,129,329.56 and 83,737,899.28

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Solution

The fourth proportional to 105,457,997.20, 158,129,329.56 and 83,737,899.28 is: 125,561,059.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,457,997.20 : 158,129,329.56 = 83,737,899.28 : x
  2. Step 2: Convert to fraction form
    105,457,997.20/158,129,329.56 = 83,737,899.28/x
  3. Step 3: Cross multiply
    105,457,997.20x = 158,129,329.56 × 83,737,899.28
  4. Step 4: Simplify right side
    105,457,997.20x = 13,241,417,871,909,208
  5. Step 5: Solve for x
    x = 13,241,417,871,909,208/105,457,997.20
  6. Step 6: Final answer
    x = 125,561,059.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.