Home / 55,727,999.70-83,591,999.55-42,123,110.10

Finding the Fourth Proportional to 55,727,999.70, 83,591,999.55 and 42,123,110.10

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Solution

The fourth proportional to 55,727,999.70, 83,591,999.55 and 42,123,110.10 is: 63,184,665.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,727,999.70 : 83,591,999.55 = 42,123,110.10 : x
  2. Step 2: Convert to fraction form
    55,727,999.70/83,591,999.55 = 42,123,110.10/x
  3. Step 3: Cross multiply
    55,727,999.70x = 83,591,999.55 × 42,123,110.10
  4. Step 4: Simplify right side
    55,727,999.70x = 3,521,155,000,523,800.50
  5. Step 5: Solve for x
    x = 3,521,155,000,523,800.50/55,727,999.70
  6. Step 6: Final answer
    x = 63,184,665.15

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1.5x scale

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.