Home / 47,925,121.40-71,887,682.10-28,746,006.20

Finding the Fourth Proportional to 47,925,121.40, 71,887,682.10 and 28,746,006.20

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Solution

The fourth proportional to 47,925,121.40, 71,887,682.10 and 28,746,006.20 is: 43,119,009.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,925,121.40 : 71,887,682.10 = 28,746,006.20 : x
  2. Step 2: Convert to fraction form
    47,925,121.40/71,887,682.10 = 28,746,006.20/x
  3. Step 3: Cross multiply
    47,925,121.40x = 71,887,682.10 × 28,746,006.20
  4. Step 4: Simplify right side
    47,925,121.40x = 2,066,483,755,350,228.75
  5. Step 5: Solve for x
    x = 2,066,483,755,350,228.75/47,925,121.40
  6. Step 6: Final answer
    x = 43,119,009.30

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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.