Home / 90,959,097.60-136,438,646.40-50,002,711.20

Finding the Fourth Proportional to 90,959,097.60, 136,438,646.40 and 50,002,711.20

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Solution

The fourth proportional to 90,959,097.60, 136,438,646.40 and 50,002,711.20 is: 75,004,066.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,959,097.60 : 136,438,646.40 = 50,002,711.20 : x
  2. Step 2: Convert to fraction form
    90,959,097.60/136,438,646.40 = 50,002,711.20/x
  3. Step 3: Cross multiply
    90,959,097.60x = 136,438,646.40 × 50,002,711.20
  4. Step 4: Simplify right side
    90,959,097.60x = 6,822,302,232,458,120
  5. Step 5: Solve for x
    x = 6,822,302,232,458,120/90,959,097.60
  6. Step 6: Final answer
    x = 75,004,066.80

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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.