Home / 90,010,258.64-124,214,753.10-48,757,150.52

Finding the Fourth Proportional to 90,010,258.64, 124,214,753.10 and 48,757,150.52

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Solution

The fourth proportional to 90,010,258.64, 124,214,753.10 and 48,757,150.52 is: 67,285,190.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,010,258.64 : 124,214,753.10 = 48,757,150.52 : x
  2. Step 2: Convert to fraction form
    90,010,258.64/124,214,753.10 = 48,757,150.52/x
  3. Step 3: Cross multiply
    90,010,258.64x = 124,214,753.10 × 48,757,150.52
  4. Step 4: Simplify right side
    90,010,258.64x = 6,056,357,413,701,337
  5. Step 5: Solve for x
    x = 6,056,357,413,701,337/90,010,258.64
  6. Step 6: Final answer
    x = 67,285,190.66

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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.