Home / 105,457,998.20-158,129,331.06-83,737,900.28

Finding the Fourth Proportional to 105,457,998.20, 158,129,331.06 and 83,737,900.28

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Solution

The fourth proportional to 105,457,998.20, 158,129,331.06 and 83,737,900.28 is: 125,561,061.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,457,998.20 : 158,129,331.06 = 83,737,900.28 : x
  2. Step 2: Convert to fraction form
    105,457,998.20/158,129,331.06 = 83,737,900.28/x
  3. Step 3: Cross multiply
    105,457,998.20x = 158,129,331.06 × 83,737,900.28
  4. Step 4: Simplify right side
    105,457,998.20x = 13,241,418,155,645,388
  5. Step 5: Solve for x
    x = 13,241,418,155,645,388/105,457,998.20
  6. Step 6: Final answer
    x = 125,561,061.10

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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.