Home / 90,958,500.30-136,437,750.45-36,344,080.20

Finding the Fourth Proportional to 90,958,500.30, 136,437,750.45 and 36,344,080.20

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Solution

The fourth proportional to 90,958,500.30, 136,437,750.45 and 36,344,080.20 is: 54,516,120.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,958,500.30 : 136,437,750.45 = 36,344,080.20 : x
  2. Step 2: Convert to fraction form
    90,958,500.30/136,437,750.45 = 36,344,080.20/x
  3. Step 3: Cross multiply
    90,958,500.30x = 136,437,750.45 × 36,344,080.20
  4. Step 4: Simplify right side
    90,958,500.30x = 4,958,704,544,662,386
  5. Step 5: Solve for x
    x = 4,958,704,544,662,386/90,958,500.30
  6. Step 6: Final answer
    x = 54,516,120.30

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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.