Home / 79,155,021.59-118,565,498.87-63,508,136.82

Finding the Fourth Proportional to 79,155,021.59, 118,565,498.87 and 63,508,136.82

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Solution

The fourth proportional to 79,155,021.59, 118,565,498.87 and 63,508,136.82 is: 95,128,189.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,155,021.59 : 118,565,498.87 = 63,508,136.82 : x
  2. Step 2: Convert to fraction form
    79,155,021.59/118,565,498.87 = 63,508,136.82/x
  3. Step 3: Cross multiply
    79,155,021.59x = 118,565,498.87 × 63,508,136.82
  4. Step 4: Simplify right side
    79,155,021.59x = 7,529,873,924,331,983
  5. Step 5: Solve for x
    x = 7,529,873,924,331,983/79,155,021.59
  6. Step 6: Final answer
    x = 95,128,189.89

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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.