Home / 49,918,141.60-74,891,209.20-21,178,045.60

Finding the Fourth Proportional to 49,918,141.60, 74,891,209.20 and 21,178,045.60

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Solution

The fourth proportional to 49,918,141.60, 74,891,209.20 and 21,178,045.60 is: 31,773,006.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,918,141.60 : 74,891,209.20 = 21,178,045.60 : x
  2. Step 2: Convert to fraction form
    49,918,141.60/74,891,209.20 = 21,178,045.60/x
  3. Step 3: Cross multiply
    49,918,141.60x = 74,891,209.20 × 21,178,045.60
  4. Step 4: Simplify right side
    49,918,141.60x = 1,586,049,443,476,739.75
  5. Step 5: Solve for x
    x = 1,586,049,443,476,739.75/49,918,141.60
  6. Step 6: Final answer
    x = 31,773,006.62

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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.