Home / 82,572,072.30-123,776,295.84-38,774,428.74

Finding the Fourth Proportional to 82,572,072.30, 123,776,295.84 and 38,774,428.74

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Solution

The fourth proportional to 82,572,072.30, 123,776,295.84 and 38,774,428.74 is: 58,123,225.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,572,072.30 : 123,776,295.84 = 38,774,428.74 : x
  2. Step 2: Convert to fraction form
    82,572,072.30/123,776,295.84 = 38,774,428.74/x
  3. Step 3: Cross multiply
    82,572,072.30x = 123,776,295.84 × 38,774,428.74
  4. Step 4: Simplify right side
    82,572,072.30x = 4,799,355,162,749,239
  5. Step 5: Solve for x
    x = 4,799,355,162,749,239/82,572,072.30
  6. Step 6: Final answer
    x = 58,123,225.31

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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.