Home / 125,252,494.39-187,716,686.25-69,918,961.35

Finding the Fourth Proportional to 125,252,494.39, 187,716,686.25 and 69,918,961.35

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Solution

The fourth proportional to 125,252,494.39, 187,716,686.25 and 69,918,961.35 is: 104,787,978.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,252,494.39 : 187,716,686.25 = 69,918,961.35 : x
  2. Step 2: Convert to fraction form
    125,252,494.39/187,716,686.25 = 69,918,961.35/x
  3. Step 3: Cross multiply
    125,252,494.39x = 187,716,686.25 × 69,918,961.35
  4. Step 4: Simplify right side
    125,252,494.39x = 13,124,955,731,629,960
  5. Step 5: Solve for x
    x = 13,124,955,731,629,960/125,252,494.39
  6. Step 6: Final answer
    x = 104,787,978.84

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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.