Home / 118,098,032.40-177,336,005.40-79,928,758.80

Finding the Fourth Proportional to 118,098,032.40, 177,336,005.40 and 79,928,758.80

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Solution

The fourth proportional to 118,098,032.40, 177,336,005.40 and 79,928,758.80 is: 120,021,024.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,098,032.40 : 177,336,005.40 = 79,928,758.80 : x
  2. Step 2: Convert to fraction form
    118,098,032.40/177,336,005.40 = 79,928,758.80/x
  3. Step 3: Cross multiply
    118,098,032.40x = 177,336,005.40 × 79,928,758.80
  4. Step 4: Simplify right side
    118,098,032.40x = 14,174,246,802,172,098
  5. Step 5: Solve for x
    x = 14,174,246,802,172,098/118,098,032.40
  6. Step 6: Final answer
    x = 120,021,024.18

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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.