Home / 125,751,433.40-188,655,283.01-38,319,793.15

Finding the Fourth Proportional to 125,751,433.40, 188,655,283.01 and 38,319,793.15

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Solution

The fourth proportional to 125,751,433.40, 188,655,283.01 and 38,319,793.15 is: 57,488,262.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,751,433.40 : 188,655,283.01 = 38,319,793.15 : x
  2. Step 2: Convert to fraction form
    125,751,433.40/188,655,283.01 = 38,319,793.15/x
  3. Step 3: Cross multiply
    125,751,433.40x = 188,655,283.01 × 38,319,793.15
  4. Step 4: Simplify right side
    125,751,433.40x = 7,229,231,421,222,070
  5. Step 5: Solve for x
    x = 7,229,231,421,222,070/125,751,433.40
  6. Step 6: Final answer
    x = 57,488,262.57

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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.