Home / 257,915,469.96-386,924,263.54-73,684,514.52

Finding the Fourth Proportional to 257,915,469.96, 386,924,263.54 and 73,684,514.52

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Solution

The fourth proportional to 257,915,469.96, 386,924,263.54 and 73,684,514.52 is: 110,541,358.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,915,469.96 : 386,924,263.54 = 73,684,514.52 : x
  2. Step 2: Convert to fraction form
    257,915,469.96/386,924,263.54 = 73,684,514.52/x
  3. Step 3: Cross multiply
    257,915,469.96x = 386,924,263.54 × 73,684,514.52
  4. Step 4: Simplify right side
    257,915,469.96x = 28,510,326,514,953,436
  5. Step 5: Solve for x
    x = 28,510,326,514,953,436/257,915,469.96
  6. Step 6: Final answer
    x = 110,541,358.84

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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.