Home / 125,751,431.90-188,655,280.76-38,319,791.65

Finding the Fourth Proportional to 125,751,431.90, 188,655,280.76 and 38,319,791.65

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Solution

The fourth proportional to 125,751,431.90, 188,655,280.76 and 38,319,791.65 is: 57,488,260.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,751,431.90 : 188,655,280.76 = 38,319,791.65 : x
  2. Step 2: Convert to fraction form
    125,751,431.90/188,655,280.76 = 38,319,791.65/x
  3. Step 3: Cross multiply
    125,751,431.90x = 188,655,280.76 × 38,319,791.65
  4. Step 4: Simplify right side
    125,751,431.90x = 7,229,231,051,884,346
  5. Step 5: Solve for x
    x = 7,229,231,051,884,346/125,751,431.90
  6. Step 6: Final answer
    x = 57,488,260.31

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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.