Home / 121,841,501.15-182,744,305.54-39,969,031.12

Finding the Fourth Proportional to 121,841,501.15, 182,744,305.54 and 39,969,031.12

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Solution

The fourth proportional to 121,841,501.15, 182,744,305.54 and 39,969,031.12 is: 59,947,659.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,841,501.15 : 182,744,305.54 = 39,969,031.12 : x
  2. Step 2: Convert to fraction form
    121,841,501.15/182,744,305.54 = 39,969,031.12/x
  3. Step 3: Cross multiply
    121,841,501.15x = 182,744,305.54 × 39,969,031.12
  4. Step 4: Simplify right side
    121,841,501.15x = 7,304,112,834,574,265
  5. Step 5: Solve for x
    x = 7,304,112,834,574,265/121,841,501.15
  6. Step 6: Final answer
    x = 59,947,659.59

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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.