Home / 71,272,242.88-98,355,758.16-38,677,194.88

Finding the Fourth Proportional to 71,272,242.88, 98,355,758.16 and 38,677,194.88

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Solution

The fourth proportional to 71,272,242.88, 98,355,758.16 and 38,677,194.88 is: 53,374,563.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,272,242.88 : 98,355,758.16 = 38,677,194.88 : x
  2. Step 2: Convert to fraction form
    71,272,242.88/98,355,758.16 = 38,677,194.88/x
  3. Step 3: Cross multiply
    71,272,242.88x = 98,355,758.16 × 38,677,194.88
  4. Step 4: Simplify right side
    71,272,242.88x = 3,804,124,825,924,470.50
  5. Step 5: Solve for x
    x = 3,804,124,825,924,470.50/71,272,242.88
  6. Step 6: Final answer
    x = 53,374,563.11

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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.