Home / 77,280,156.10-115,920,234.15-41,448,348.10

Finding the Fourth Proportional to 77,280,156.10, 115,920,234.15 and 41,448,348.10

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Solution

The fourth proportional to 77,280,156.10, 115,920,234.15 and 41,448,348.10 is: 62,172,522.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,280,156.10 : 115,920,234.15 = 41,448,348.10 : x
  2. Step 2: Convert to fraction form
    77,280,156.10/115,920,234.15 = 41,448,348.10/x
  3. Step 3: Cross multiply
    77,280,156.10x = 115,920,234.15 × 41,448,348.10
  4. Step 4: Simplify right side
    77,280,156.10x = 4,804,702,216,882,708
  5. Step 5: Solve for x
    x = 4,804,702,216,882,708/77,280,156.10
  6. Step 6: Final answer
    x = 62,172,522.15

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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.