Home / 72,406,384.80-108,609,577.20-58,057,477.80

Finding the Fourth Proportional to 72,406,384.80, 108,609,577.20 and 58,057,477.80

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Solution

The fourth proportional to 72,406,384.80, 108,609,577.20 and 58,057,477.80 is: 87,086,216.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,406,384.80 : 108,609,577.20 = 58,057,477.80 : x
  2. Step 2: Convert to fraction form
    72,406,384.80/108,609,577.20 = 58,057,477.80/x
  3. Step 3: Cross multiply
    72,406,384.80x = 108,609,577.20 × 58,057,477.80
  4. Step 4: Simplify right side
    72,406,384.80x = 6,305,598,117,156,386
  5. Step 5: Solve for x
    x = 6,305,598,117,156,386/72,406,384.80
  6. Step 6: Final answer
    x = 87,086,216.70

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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.