Home / 87,097,948.13-120,133,974.39-57,319,108.40

Finding the Fourth Proportional to 87,097,948.13, 120,133,974.39 and 57,319,108.40

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Solution

The fourth proportional to 87,097,948.13, 120,133,974.39 and 57,319,108.40 is: 79,060,097.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,097,948.13 : 120,133,974.39 = 57,319,108.40 : x
  2. Step 2: Convert to fraction form
    87,097,948.13/120,133,974.39 = 57,319,108.40/x
  3. Step 3: Cross multiply
    87,097,948.13x = 120,133,974.39 × 57,319,108.40
  4. Step 4: Simplify right side
    87,097,948.13x = 6,885,972,300,583,234
  5. Step 5: Solve for x
    x = 6,885,972,300,583,234/87,097,948.13
  6. Step 6: Final answer
    x = 79,060,097.84

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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.