Home / 90,217,338.28-124,501,121.22-48,964,725.16

Finding the Fourth Proportional to 90,217,338.28, 124,501,121.22 and 48,964,725.16

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Solution

The fourth proportional to 90,217,338.28, 124,501,121.22 and 48,964,725.16 is: 67,571,968.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,217,338.28 : 124,501,121.22 = 48,964,725.16 : x
  2. Step 2: Convert to fraction form
    90,217,338.28/124,501,121.22 = 48,964,725.16/x
  3. Step 3: Cross multiply
    90,217,338.28x = 124,501,121.22 × 48,964,725.16
  4. Step 4: Simplify right side
    90,217,338.28x = 6,096,163,182,649,143
  5. Step 5: Solve for x
    x = 6,096,163,182,649,143/90,217,338.28
  6. Step 6: Final answer
    x = 67,571,968.97

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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.