Home / 79,835,814.30-119,753,721.45-76,700,531.10

Finding the Fourth Proportional to 79,835,814.30, 119,753,721.45 and 76,700,531.10

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Solution

The fourth proportional to 79,835,814.30, 119,753,721.45 and 76,700,531.10 is: 115,050,796.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,835,814.30 : 119,753,721.45 = 76,700,531.10 : x
  2. Step 2: Convert to fraction form
    79,835,814.30/119,753,721.45 = 76,700,531.10/x
  3. Step 3: Cross multiply
    79,835,814.30x = 119,753,721.45 × 76,700,531.10
  4. Step 4: Simplify right side
    79,835,814.30x = 9,185,174,036,416,462
  5. Step 5: Solve for x
    x = 9,185,174,036,416,462/79,835,814.30
  6. Step 6: Final answer
    x = 115,050,796.65

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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.