Home / 124,138,321.40-171,284,673.64-71,924,177.56

Finding the Fourth Proportional to 124,138,321.40, 171,284,673.64 and 71,924,177.56

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Solution

The fourth proportional to 124,138,321.40, 171,284,673.64 and 71,924,177.56 is: 99,240,179.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,138,321.40 : 171,284,673.64 = 71,924,177.56 : x
  2. Step 2: Convert to fraction form
    124,138,321.40/171,284,673.64 = 71,924,177.56/x
  3. Step 3: Cross multiply
    124,138,321.40x = 171,284,673.64 × 71,924,177.56
  4. Step 4: Simplify right side
    124,138,321.40x = 12,319,509,280,190,010
  5. Step 5: Solve for x
    x = 12,319,509,280,190,010/124,138,321.40
  6. Step 6: Final answer
    x = 99,240,179.35

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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.