Home / 102,458,655.90-141,392,522.40-55,415,781.90

Finding the Fourth Proportional to 102,458,655.90, 141,392,522.40 and 55,415,781.90

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Solution

The fourth proportional to 102,458,655.90, 141,392,522.40 and 55,415,781.90 is: 76,473,550.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,458,655.90 : 141,392,522.40 = 55,415,781.90 : x
  2. Step 2: Convert to fraction form
    102,458,655.90/141,392,522.40 = 55,415,781.90/x
  3. Step 3: Cross multiply
    102,458,655.90x = 141,392,522.40 × 55,415,781.90
  4. Step 4: Simplify right side
    102,458,655.90x = 7,835,377,183,609,265
  5. Step 5: Solve for x
    x = 7,835,377,183,609,265/102,458,655.90
  6. Step 6: Final answer
    x = 76,473,550.38

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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.