Home / 48,492,041.20-72,738,061.80-43,230,775.30

Finding the Fourth Proportional to 48,492,041.20, 72,738,061.80 and 43,230,775.30

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Solution

The fourth proportional to 48,492,041.20, 72,738,061.80 and 43,230,775.30 is: 64,846,162.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,492,041.20 : 72,738,061.80 = 43,230,775.30 : x
  2. Step 2: Convert to fraction form
    48,492,041.20/72,738,061.80 = 43,230,775.30/x
  3. Step 3: Cross multiply
    48,492,041.20x = 72,738,061.80 × 43,230,775.30
  4. Step 4: Simplify right side
    48,492,041.20x = 3,144,522,805,433,313
  5. Step 5: Solve for x
    x = 3,144,522,805,433,313/48,492,041.20
  6. Step 6: Final answer
    x = 64,846,162.95

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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.