Home / 49,123,218.60-73,684,827.90-13,221,426.60

Finding the Fourth Proportional to 49,123,218.60, 73,684,827.90 and 13,221,426.60

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Solution

The fourth proportional to 49,123,218.60, 73,684,827.90 and 13,221,426.60 is: 19,832,139.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,123,218.60 : 73,684,827.90 = 13,221,426.60 : x
  2. Step 2: Convert to fraction form
    49,123,218.60/73,684,827.90 = 13,221,426.60/x
  3. Step 3: Cross multiply
    49,123,218.60x = 73,684,827.90 × 13,221,426.60
  4. Step 4: Simplify right side
    49,123,218.60x = 974,218,543,613,482.25
  5. Step 5: Solve for x
    x = 974,218,543,613,482.25/49,123,218.60
  6. Step 6: Final answer
    x = 19,832,139.90

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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.