Home / 56,771,013.94-78,344,030.76-30,665,531.97

Finding the Fourth Proportional to 56,771,013.94, 78,344,030.76 and 30,665,531.97

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Solution

The fourth proportional to 56,771,013.94, 78,344,030.76 and 30,665,531.97 is: 42,318,451.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,771,013.94 : 78,344,030.76 = 30,665,531.97 : x
  2. Step 2: Convert to fraction form
    56,771,013.94/78,344,030.76 = 30,665,531.97/x
  3. Step 3: Cross multiply
    56,771,013.94x = 78,344,030.76 × 30,665,531.97
  4. Step 4: Simplify right side
    56,771,013.94x = 2,402,461,379,776,115.50
  5. Step 5: Solve for x
    x = 2,402,461,379,776,115.50/56,771,013.94
  6. Step 6: Final answer
    x = 42,318,451.15

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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.