Home / 49,687,469.40-74,486,880.90-19,388,285.40

Finding the Fourth Proportional to 49,687,469.40, 74,486,880.90 and 19,388,285.40

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Solution

The fourth proportional to 49,687,469.40, 74,486,880.90 and 19,388,285.40 is: 29,065,132.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,687,469.40 : 74,486,880.90 = 19,388,285.40 : x
  2. Step 2: Convert to fraction form
    49,687,469.40/74,486,880.90 = 19,388,285.40/x
  3. Step 3: Cross multiply
    49,687,469.40x = 74,486,880.90 × 19,388,285.40
  4. Step 4: Simplify right side
    49,687,469.40x = 1,444,172,905,445,008.75
  5. Step 5: Solve for x
    x = 1,444,172,905,445,008.75/49,687,469.40
  6. Step 6: Final answer
    x = 29,065,132.98

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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.