Home / 125,751,434.40-188,655,284.51-38,319,794.15

Finding the Fourth Proportional to 125,751,434.40, 188,655,284.51 and 38,319,794.15

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Solution

The fourth proportional to 125,751,434.40, 188,655,284.51 and 38,319,794.15 is: 57,488,264.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,751,434.40 : 188,655,284.51 = 38,319,794.15 : x
  2. Step 2: Convert to fraction form
    125,751,434.40/188,655,284.51 = 38,319,794.15/x
  3. Step 3: Cross multiply
    125,751,434.40x = 188,655,284.51 × 38,319,794.15
  4. Step 4: Simplify right side
    125,751,434.40x = 7,229,231,667,732,883
  5. Step 5: Solve for x
    x = 7,229,231,667,732,883/125,751,434.40
  6. Step 6: Final answer
    x = 57,488,264.07

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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.