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Finding the Fourth Proportional to 57,894,477.88, 79,894,379.88 and 31,788,995.70

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Solution

The fourth proportional to 57,894,477.88, 79,894,379.88 and 31,788,995.70 is: 43,868,814.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,894,477.88 : 79,894,379.88 = 31,788,995.70 : x
  2. Step 2: Convert to fraction form
    57,894,477.88/79,894,379.88 = 31,788,995.70/x
  3. Step 3: Cross multiply
    57,894,477.88x = 79,894,379.88 × 31,788,995.70
  4. Step 4: Simplify right side
    57,894,477.88x = 2,539,762,098,459,486.50
  5. Step 5: Solve for x
    x = 2,539,762,098,459,486.50/57,894,477.88
  6. Step 6: Final answer
    x = 43,868,814.29

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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.