Home / 282,887,719.50-424,331,697.15-127,259,748.78

Finding the Fourth Proportional to 282,887,719.50, 424,331,697.15 and 127,259,748.78

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Solution

The fourth proportional to 282,887,719.50, 424,331,697.15 and 127,259,748.78 is: 190,889,676.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,887,719.50 : 424,331,697.15 = 127,259,748.78 : x
  2. Step 2: Convert to fraction form
    282,887,719.50/424,331,697.15 = 127,259,748.78/x
  3. Step 3: Cross multiply
    282,887,719.50x = 424,331,697.15 × 127,259,748.78
  4. Step 4: Simplify right side
    282,887,719.50x = 54,000,345,178,700,040
  5. Step 5: Solve for x
    x = 54,000,345,178,700,040/282,887,719.50
  6. Step 6: Final answer
    x = 190,889,676.21

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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.