Home / 90,222,148.88-124,506,657.60-48,969,049.76

Finding the Fourth Proportional to 90,222,148.88, 124,506,657.60 and 48,969,049.76

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Solution

The fourth proportional to 90,222,148.88, 124,506,657.60 and 48,969,049.76 is: 67,577,338.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,222,148.88 : 124,506,657.60 = 48,969,049.76 : x
  2. Step 2: Convert to fraction form
    90,222,148.88/124,506,657.60 = 48,969,049.76/x
  3. Step 3: Cross multiply
    90,222,148.88x = 124,506,657.60 × 48,969,049.76
  4. Step 4: Simplify right side
    90,222,148.88x = 6,096,972,711,465,682
  5. Step 5: Solve for x
    x = 6,096,972,711,465,682/90,222,148.88
  6. Step 6: Final answer
    x = 67,577,338.68

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1.5x scale

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.