Home / 75,569,317.20-113,186,014.20-65,491,621.20

Finding the Fourth Proportional to 75,569,317.20, 113,186,014.20 and 65,491,621.20

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Solution

The fourth proportional to 75,569,317.20, 113,186,014.20 and 65,491,621.20 is: 98,091,869.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,569,317.20 : 113,186,014.20 = 65,491,621.20 : x
  2. Step 2: Convert to fraction form
    75,569,317.20/113,186,014.20 = 65,491,621.20/x
  3. Step 3: Cross multiply
    75,569,317.20x = 113,186,014.20 × 65,491,621.20
  4. Step 4: Simplify right side
    75,569,317.20x = 7,412,735,567,124,222
  5. Step 5: Solve for x
    x = 7,412,735,567,124,222/75,569,317.20
  6. Step 6: Final answer
    x = 98,091,869.05

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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.