Home / 79,136,013.60-118,704,020.40-33,702,400.80

Finding the Fourth Proportional to 79,136,013.60, 118,704,020.40 and 33,702,400.80

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Solution

The fourth proportional to 79,136,013.60, 118,704,020.40 and 33,702,400.80 is: 50,553,601.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,136,013.60 : 118,704,020.40 = 33,702,400.80 : x
  2. Step 2: Convert to fraction form
    79,136,013.60/118,704,020.40 = 33,702,400.80/x
  3. Step 3: Cross multiply
    79,136,013.60x = 118,704,020.40 × 33,702,400.80
  4. Step 4: Simplify right side
    79,136,013.60x = 4,000,610,472,092,176
  5. Step 5: Solve for x
    x = 4,000,610,472,092,176/79,136,013.60
  6. Step 6: Final answer
    x = 50,553,601.20

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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.