Home / 102,672,857.90-141,695,495.57-58,003,337.20

Finding the Fourth Proportional to 102,672,857.90, 141,695,495.57 and 58,003,337.20

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Solution

The fourth proportional to 102,672,857.90, 141,695,495.57 and 58,003,337.20 is: 80,048,532.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,672,857.90 : 141,695,495.57 = 58,003,337.20 : x
  2. Step 2: Convert to fraction form
    102,672,857.90/141,695,495.57 = 58,003,337.20/x
  3. Step 3: Cross multiply
    102,672,857.90x = 141,695,495.57 × 58,003,337.20
  4. Step 4: Simplify right side
    102,672,857.90x = 8,218,811,609,267,816
  5. Step 5: Solve for x
    x = 8,218,811,609,267,816/102,672,857.90
  6. Step 6: Final answer
    x = 80,048,532.57

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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.