Home / 90,196,753.65-124,471,861.52-48,943,646.03

Finding the Fourth Proportional to 90,196,753.65, 124,471,861.52 and 48,943,646.03

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Solution

The fourth proportional to 90,196,753.65, 124,471,861.52 and 48,943,646.03 is: 67,542,416.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,196,753.65 : 124,471,861.52 = 48,943,646.03 : x
  2. Step 2: Convert to fraction form
    90,196,753.65/124,471,861.52 = 48,943,646.03/x
  3. Step 3: Cross multiply
    90,196,753.65x = 124,471,861.52 × 48,943,646.03
  4. Step 4: Simplify right side
    90,196,753.65x = 6,092,106,730,062,980
  5. Step 5: Solve for x
    x = 6,092,106,730,062,980/90,196,753.65
  6. Step 6: Final answer
    x = 67,542,416.81

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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.