Home / 91,678,282.32-126,516,094.92-50,428,313.04

Finding the Fourth Proportional to 91,678,282.32, 126,516,094.92 and 50,428,313.04

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Solution

The fourth proportional to 91,678,282.32, 126,516,094.92 and 50,428,313.04 is: 69,591,107.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,678,282.32 : 126,516,094.92 = 50,428,313.04 : x
  2. Step 2: Convert to fraction form
    91,678,282.32/126,516,094.92 = 50,428,313.04/x
  3. Step 3: Cross multiply
    91,678,282.32x = 126,516,094.92 × 50,428,313.04
  4. Step 4: Simplify right side
    91,678,282.32x = 6,379,993,239,224,114
  5. Step 5: Solve for x
    x = 6,379,993,239,224,114/91,678,282.32
  6. Step 6: Final answer
    x = 69,591,107.92

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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.