Home / 124,138,300.90-171,284,645.36-71,924,157.04

Finding the Fourth Proportional to 124,138,300.90, 171,284,645.36 and 71,924,157.04

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Solution

The fourth proportional to 124,138,300.90, 171,284,645.36 and 71,924,157.04 is: 99,240,151.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,138,300.90 : 171,284,645.36 = 71,924,157.04 : x
  2. Step 2: Convert to fraction form
    124,138,300.90/171,284,645.36 = 71,924,157.04/x
  3. Step 3: Cross multiply
    124,138,300.90x = 171,284,645.36 × 71,924,157.04
  4. Step 4: Simplify right side
    124,138,300.90x = 12,319,503,731,413,350
  5. Step 5: Solve for x
    x = 12,319,503,731,413,350/124,138,300.90
  6. Step 6: Final answer
    x = 99,240,151.04

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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.