Home / 90,344,106.28-124,675,655.52-49,090,997.44

Finding the Fourth Proportional to 90,344,106.28, 124,675,655.52 and 49,090,997.44

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Solution

The fourth proportional to 90,344,106.28, 124,675,655.52 and 49,090,997.44 is: 67,746,005.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,344,106.28 : 124,675,655.52 = 49,090,997.44 : x
  2. Step 2: Convert to fraction form
    90,344,106.28/124,675,655.52 = 49,090,997.44/x
  3. Step 3: Cross multiply
    90,344,106.28x = 124,675,655.52 × 49,090,997.44
  4. Step 4: Simplify right side
    90,344,106.28x = 6,120,452,285,962,641
  5. Step 5: Solve for x
    x = 6,120,452,285,962,641/90,344,106.28
  6. Step 6: Final answer
    x = 67,746,005.11

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1.5x scale

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.