Home / 67,386,727.31-100,814,135.07-51,039,103.92

Finding the Fourth Proportional to 67,386,727.31, 100,814,135.07 and 51,039,103.92

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Solution

The fourth proportional to 67,386,727.31, 100,814,135.07 and 51,039,103.92 is: 76,357,219.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,386,727.31 : 100,814,135.07 = 51,039,103.92 : x
  2. Step 2: Convert to fraction form
    67,386,727.31/100,814,135.07 = 51,039,103.92/x
  3. Step 3: Cross multiply
    67,386,727.31x = 100,814,135.07 × 51,039,103.92
  4. Step 4: Simplify right side
    67,386,727.31x = 5,145,463,116,360,024
  5. Step 5: Solve for x
    x = 5,145,463,116,360,024/67,386,727.31
  6. Step 6: Final answer
    x = 76,357,219.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.