Home / 49,921,934.40-74,890,159.20-21,168,014.40

Finding the Fourth Proportional to 49,921,934.40, 74,890,159.20 and 21,168,014.40

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Solution

The fourth proportional to 49,921,934.40, 74,890,159.20 and 21,168,014.40 is: 31,755,098.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,921,934.40 : 74,890,159.20 = 21,168,014.40 : x
  2. Step 2: Convert to fraction form
    49,921,934.40/74,890,159.20 = 21,168,014.40/x
  3. Step 3: Cross multiply
    49,921,934.40x = 74,890,159.20 × 21,168,014.40
  4. Step 4: Simplify right side
    49,921,934.40x = 1,585,275,968,363,892.50
  5. Step 5: Solve for x
    x = 1,585,275,968,363,892.50/49,921,934.40
  6. Step 6: Final answer
    x = 31,755,098.98

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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.