Home / 82,777,635.32-124,185,687.64-28,190,694.87

Finding the Fourth Proportional to 82,777,635.32, 124,185,687.64 and 28,190,694.87

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Solution

The fourth proportional to 82,777,635.32, 124,185,687.64 and 28,190,694.87 is: 42,292,592.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,777,635.32 : 124,185,687.64 = 28,190,694.87 : x
  2. Step 2: Convert to fraction form
    82,777,635.32/124,185,687.64 = 28,190,694.87/x
  3. Step 3: Cross multiply
    82,777,635.32x = 124,185,687.64 × 28,190,694.87
  4. Step 4: Simplify right side
    82,777,635.32x = 3,500,880,827,409,894
  5. Step 5: Solve for x
    x = 3,500,880,827,409,894/82,777,635.32
  6. Step 6: Final answer
    x = 42,292,592.85

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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.