Home / 79,251,758.20-118,881,374.01-65,393,012.13

Finding the Fourth Proportional to 79,251,758.20, 118,881,374.01 and 65,393,012.13

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Solution

The fourth proportional to 79,251,758.20, 118,881,374.01 and 65,393,012.13 is: 98,092,601.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,251,758.20 : 118,881,374.01 = 65,393,012.13 : x
  2. Step 2: Convert to fraction form
    79,251,758.20/118,881,374.01 = 65,393,012.13/x
  3. Step 3: Cross multiply
    79,251,758.20x = 118,881,374.01 × 65,393,012.13
  4. Step 4: Simplify right side
    79,251,758.20x = 7,774,011,132,666,997
  5. Step 5: Solve for x
    x = 7,774,011,132,666,997/79,251,758.20
  6. Step 6: Final answer
    x = 98,092,601.47

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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.