Home / 144,877,666.60-217,568,442.30-76,853,218.60

Finding the Fourth Proportional to 144,877,666.60, 217,568,442.30 and 76,853,218.60

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Solution

The fourth proportional to 144,877,666.60, 217,568,442.30 and 76,853,218.60 is: 115,413,475.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,877,666.60 : 217,568,442.30 = 76,853,218.60 : x
  2. Step 2: Convert to fraction form
    144,877,666.60/217,568,442.30 = 76,853,218.60/x
  3. Step 3: Cross multiply
    144,877,666.60x = 217,568,442.30 × 76,853,218.60
  4. Step 4: Simplify right side
    144,877,666.60x = 16,720,835,056,543,386
  5. Step 5: Solve for x
    x = 16,720,835,056,543,386/144,877,666.60
  6. Step 6: Final answer
    x = 115,413,475.72

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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.