Home / 144,877,641.60-217,568,404.80-76,853,193.60

Finding the Fourth Proportional to 144,877,641.60, 217,568,404.80 and 76,853,193.60

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Solution

The fourth proportional to 144,877,641.60, 217,568,404.80 and 76,853,193.60 is: 115,413,438.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,877,641.60 : 217,568,404.80 = 76,853,193.60 : x
  2. Step 2: Convert to fraction form
    144,877,641.60/217,568,404.80 = 76,853,193.60/x
  3. Step 3: Cross multiply
    144,877,641.60x = 217,568,404.80 × 76,853,193.60
  4. Step 4: Simplify right side
    144,877,641.60x = 16,720,826,735,337,568
  5. Step 5: Solve for x
    x = 16,720,826,735,337,568/144,877,641.60
  6. Step 6: Final answer
    x = 115,413,438.20

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1.5x scale

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.