Home / 82,945,131.60-124,417,697.40-73,091,384.40

Finding the Fourth Proportional to 82,945,131.60, 124,417,697.40 and 73,091,384.40

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Solution

The fourth proportional to 82,945,131.60, 124,417,697.40 and 73,091,384.40 is: 109,637,076.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,945,131.60 : 124,417,697.40 = 73,091,384.40 : x
  2. Step 2: Convert to fraction form
    82,945,131.60/124,417,697.40 = 73,091,384.40/x
  3. Step 3: Cross multiply
    82,945,131.60x = 124,417,697.40 × 73,091,384.40
  4. Step 4: Simplify right side
    82,945,131.60x = 9,093,861,746,826,282
  5. Step 5: Solve for x
    x = 9,093,861,746,826,282/82,945,131.60
  6. Step 6: Final answer
    x = 109,637,076.60

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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.