Home / 49,508,139.60-74,262,209.40-13,122,145.80

Finding the Fourth Proportional to 49,508,139.60, 74,262,209.40 and 13,122,145.80

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Solution

The fourth proportional to 49,508,139.60, 74,262,209.40 and 13,122,145.80 is: 19,683,218.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,508,139.60 : 74,262,209.40 = 13,122,145.80 : x
  2. Step 2: Convert to fraction form
    49,508,139.60/74,262,209.40 = 13,122,145.80/x
  3. Step 3: Cross multiply
    49,508,139.60x = 74,262,209.40 × 13,122,145.80
  4. Step 4: Simplify right side
    49,508,139.60x = 974,479,539,176,930.62
  5. Step 5: Solve for x
    x = 974,479,539,176,930.62/49,508,139.60
  6. Step 6: Final answer
    x = 19,683,218.70

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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.