Home / 83,018,428.20-124,527,642.30-52,859,989.80

Finding the Fourth Proportional to 83,018,428.20, 124,527,642.30 and 52,859,989.80

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Solution

The fourth proportional to 83,018,428.20, 124,527,642.30 and 52,859,989.80 is: 79,289,984.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,018,428.20 : 124,527,642.30 = 52,859,989.80 : x
  2. Step 2: Convert to fraction form
    83,018,428.20/124,527,642.30 = 52,859,989.80/x
  3. Step 3: Cross multiply
    83,018,428.20x = 124,527,642.30 × 52,859,989.80
  4. Step 4: Simplify right side
    83,018,428.20x = 6,582,529,901,796,048
  5. Step 5: Solve for x
    x = 6,582,529,901,796,048/83,018,428.20
  6. Step 6: Final answer
    x = 79,289,984.70

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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.