Home / 47,250,003.20-70,875,004.80-39,691,731.20

Finding the Fourth Proportional to 47,250,003.20, 70,875,004.80 and 39,691,731.20

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Solution

The fourth proportional to 47,250,003.20, 70,875,004.80 and 39,691,731.20 is: 59,537,596.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,250,003.20 : 70,875,004.80 = 39,691,731.20 : x
  2. Step 2: Convert to fraction form
    47,250,003.20/70,875,004.80 = 39,691,731.20/x
  3. Step 3: Cross multiply
    47,250,003.20x = 70,875,004.80 × 39,691,731.20
  4. Step 4: Simplify right side
    47,250,003.20x = 2,813,151,639,320,310
  5. Step 5: Solve for x
    x = 2,813,151,639,320,310/47,250,003.20
  6. Step 6: Final answer
    x = 59,537,596.80

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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.