Home / 49,921,952.40-74,890,186.20-21,168,032.40

Finding the Fourth Proportional to 49,921,952.40, 74,890,186.20 and 21,168,032.40

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Solution

The fourth proportional to 49,921,952.40, 74,890,186.20 and 21,168,032.40 is: 31,755,125.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,921,952.40 : 74,890,186.20 = 21,168,032.40 : x
  2. Step 2: Convert to fraction form
    49,921,952.40/74,890,186.20 = 21,168,032.40/x
  3. Step 3: Cross multiply
    49,921,952.40x = 74,890,186.20 × 21,168,032.40
  4. Step 4: Simplify right side
    49,921,952.40x = 1,585,277,887,923,632.75
  5. Step 5: Solve for x
    x = 1,585,277,887,923,632.75/49,921,952.40
  6. Step 6: Final answer
    x = 31,755,125.99

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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.