Home / 102,458,641.90-141,392,503.11-55,415,767.90

Finding the Fourth Proportional to 102,458,641.90, 141,392,503.11 and 55,415,767.90

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Solution

The fourth proportional to 102,458,641.90, 141,392,503.11 and 55,415,767.90 is: 76,473,531.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,458,641.90 : 141,392,503.11 = 55,415,767.90 : x
  2. Step 2: Convert to fraction form
    102,458,641.90/141,392,503.11 = 55,415,767.90/x
  3. Step 3: Cross multiply
    102,458,641.90x = 141,392,503.11 × 55,415,767.90
  4. Step 4: Simplify right side
    102,458,641.90x = 7,835,374,135,143,789
  5. Step 5: Solve for x
    x = 7,835,374,135,143,789/102,458,641.90
  6. Step 6: Final answer
    x = 76,473,531.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.