Home / 49,773,686.40-74,664,028.80-28,218,614.40

Finding the Fourth Proportional to 49,773,686.40, 74,664,028.80 and 28,218,614.40

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Solution

The fourth proportional to 49,773,686.40, 74,664,028.80 and 28,218,614.40 is: 42,329,905.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,773,686.40 : 74,664,028.80 = 28,218,614.40 : x
  2. Step 2: Convert to fraction form
    49,773,686.40/74,664,028.80 = 28,218,614.40/x
  3. Step 3: Cross multiply
    49,773,686.40x = 74,664,028.80 × 28,218,614.40
  4. Step 4: Simplify right side
    49,773,686.40x = 2,106,915,438,257,694.50
  5. Step 5: Solve for x
    x = 2,106,915,438,257,694.50/49,773,686.40
  6. Step 6: Final answer
    x = 42,329,905.43

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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.