Home / 98,073,002.28-135,340,742.62-56,843,809.50

Finding the Fourth Proportional to 98,073,002.28, 135,340,742.62 and 56,843,809.50

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Solution

The fourth proportional to 98,073,002.28, 135,340,742.62 and 56,843,809.50 is: 78,444,456.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,073,002.28 : 135,340,742.62 = 56,843,809.50 : x
  2. Step 2: Convert to fraction form
    98,073,002.28/135,340,742.62 = 56,843,809.50/x
  3. Step 3: Cross multiply
    98,073,002.28x = 135,340,742.62 × 56,843,809.50
  4. Step 4: Simplify right side
    98,073,002.28x = 7,693,283,391,079,811
  5. Step 5: Solve for x
    x = 7,693,283,391,079,811/98,073,002.28
  6. Step 6: Final answer
    x = 78,444,456.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.