Home / 47,894,024.80-71,841,037.20-21,020,168.80

Finding the Fourth Proportional to 47,894,024.80, 71,841,037.20 and 21,020,168.80

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Solution

The fourth proportional to 47,894,024.80, 71,841,037.20 and 21,020,168.80 is: 31,530,253.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,894,024.80 : 71,841,037.20 = 21,020,168.80 : x
  2. Step 2: Convert to fraction form
    47,894,024.80/71,841,037.20 = 21,020,168.80/x
  3. Step 3: Cross multiply
    47,894,024.80x = 71,841,037.20 × 21,020,168.80
  4. Step 4: Simplify right side
    47,894,024.80x = 1,510,110,728,711,079.50
  5. Step 5: Solve for x
    x = 1,510,110,728,711,079.50/47,894,024.80
  6. Step 6: Final answer
    x = 31,530,253.20

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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.