Home / 90,217,337.28-124,501,119.84-48,964,724.16

Finding the Fourth Proportional to 90,217,337.28, 124,501,119.84 and 48,964,724.16

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Solution

The fourth proportional to 90,217,337.28, 124,501,119.84 and 48,964,724.16 is: 67,571,967.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,217,337.28 : 124,501,119.84 = 48,964,724.16 : x
  2. Step 2: Convert to fraction form
    90,217,337.28/124,501,119.84 = 48,964,724.16/x
  3. Step 3: Cross multiply
    90,217,337.28x = 124,501,119.84 × 48,964,724.16
  4. Step 4: Simplify right side
    90,217,337.28x = 6,096,162,990,576,703
  5. Step 5: Solve for x
    x = 6,096,162,990,576,703/90,217,337.28
  6. Step 6: Final answer
    x = 67,571,967.59

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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.