Home / 144,924,641.58-199,996,875.15-78,845,613.87

Finding the Fourth Proportional to 144,924,641.58, 199,996,875.15 and 78,845,613.87

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Solution

The fourth proportional to 144,924,641.58, 199,996,875.15 and 78,845,613.87 is: 108,807,420.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,924,641.58 : 199,996,875.15 = 78,845,613.87 : x
  2. Step 2: Convert to fraction form
    144,924,641.58/199,996,875.15 = 78,845,613.87/x
  3. Step 3: Cross multiply
    144,924,641.58x = 199,996,875.15 × 78,845,613.87
  4. Step 4: Simplify right side
    144,924,641.58x = 15,768,876,393,283,500
  5. Step 5: Solve for x
    x = 15,768,876,393,283,500/144,924,641.58
  6. Step 6: Final answer
    x = 108,807,420.33

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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.