Home / 91,746,005.40-137,619,008.10-55,466,299.80

Finding the Fourth Proportional to 91,746,005.40, 137,619,008.10 and 55,466,299.80

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Solution

The fourth proportional to 91,746,005.40, 137,619,008.10 and 55,466,299.80 is: 83,199,449.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,746,005.40 : 137,619,008.10 = 55,466,299.80 : x
  2. Step 2: Convert to fraction form
    91,746,005.40/137,619,008.10 = 55,466,299.80/x
  3. Step 3: Cross multiply
    91,746,005.40x = 137,619,008.10 × 55,466,299.80
  4. Step 4: Simplify right side
    91,746,005.40x = 7,633,217,161,453,228
  5. Step 5: Solve for x
    x = 7,633,217,161,453,228/91,746,005.40
  6. Step 6: Final answer
    x = 83,199,449.70

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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.