Home / 458,602,235.06-687,851,837.58-126,656,435.14

Finding the Fourth Proportional to 458,602,235.06, 687,851,837.58 and 126,656,435.14

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Solution

The fourth proportional to 458,602,235.06, 687,851,837.58 and 126,656,435.14 is: 189,970,425.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,602,235.06 : 687,851,837.58 = 126,656,435.14 : x
  2. Step 2: Convert to fraction form
    458,602,235.06/687,851,837.58 = 126,656,435.14/x
  3. Step 3: Cross multiply
    458,602,235.06x = 687,851,837.58 × 126,656,435.14
  4. Step 4: Simplify right side
    458,602,235.06x = 87,120,861,650,661,456
  5. Step 5: Solve for x
    x = 87,120,861,650,661,456/458,602,235.06
  6. Step 6: Final answer
    x = 189,970,425.33

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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.