Home / 83,207,778.60-124,811,667.90-55,997,999.40

Finding the Fourth Proportional to 83,207,778.60, 124,811,667.90 and 55,997,999.40

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Solution

The fourth proportional to 83,207,778.60, 124,811,667.90 and 55,997,999.40 is: 83,996,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,207,778.60 : 124,811,667.90 = 55,997,999.40 : x
  2. Step 2: Convert to fraction form
    83,207,778.60/124,811,667.90 = 55,997,999.40/x
  3. Step 3: Cross multiply
    83,207,778.60x = 124,811,667.90 × 55,997,999.40
  4. Step 4: Simplify right side
    83,207,778.60x = 6,989,203,704,177,199
  5. Step 5: Solve for x
    x = 6,989,203,704,177,199/83,207,778.60
  6. Step 6: Final answer
    x = 83,996,999.10

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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.