Home / 90,798,150.30-136,197,225.45-74,854,920.30

Finding the Fourth Proportional to 90,798,150.30, 136,197,225.45 and 74,854,920.30

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Solution

The fourth proportional to 90,798,150.30, 136,197,225.45 and 74,854,920.30 is: 112,282,380.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,798,150.30 : 136,197,225.45 = 74,854,920.30 : x
  2. Step 2: Convert to fraction form
    90,798,150.30/136,197,225.45 = 74,854,920.30/x
  3. Step 3: Cross multiply
    90,798,150.30x = 136,197,225.45 × 74,854,920.30
  4. Step 4: Simplify right side
    90,798,150.30x = 10,195,032,456,140,880
  5. Step 5: Solve for x
    x = 10,195,032,456,140,880/90,798,150.30
  6. Step 6: Final answer
    x = 112,282,380.45

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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.