Home / 100,767,057.60-150,926,637.60-77,974,046.40

Finding the Fourth Proportional to 100,767,057.60, 150,926,637.60 and 77,974,046.40

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Solution

The fourth proportional to 100,767,057.60, 150,926,637.60 and 77,974,046.40 is: 116,787,776.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,767,057.60 : 150,926,637.60 = 77,974,046.40 : x
  2. Step 2: Convert to fraction form
    100,767,057.60/150,926,637.60 = 77,974,046.40/x
  3. Step 3: Cross multiply
    100,767,057.60x = 150,926,637.60 × 77,974,046.40
  4. Step 4: Simplify right side
    100,767,057.60x = 11,768,360,643,218,386
  5. Step 5: Solve for x
    x = 11,768,360,643,218,386/100,767,057.60
  6. Step 6: Final answer
    x = 116,787,776.91

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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.