Home / 144,430,098.15-216,673,140.83-72,626,514.15

Finding the Fourth Proportional to 144,430,098.15, 216,673,140.83 and 72,626,514.15

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Solution

The fourth proportional to 144,430,098.15, 216,673,140.83 and 72,626,514.15 is: 108,953,847.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,430,098.15 : 216,673,140.83 = 72,626,514.15 : x
  2. Step 2: Convert to fraction form
    144,430,098.15/216,673,140.83 = 72,626,514.15/x
  3. Step 3: Cross multiply
    144,430,098.15x = 216,673,140.83 × 72,626,514.15
  4. Step 4: Simplify right side
    144,430,098.15x = 15,736,214,928,051,806
  5. Step 5: Solve for x
    x = 15,736,214,928,051,806/144,430,098.15
  6. Step 6: Final answer
    x = 108,953,847.78

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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.