Home / 128,555,424.40-192,833,136.60-95,818,658.80

Finding the Fourth Proportional to 128,555,424.40, 192,833,136.60 and 95,818,658.80

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Solution

The fourth proportional to 128,555,424.40, 192,833,136.60 and 95,818,658.80 is: 143,727,988.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,555,424.40 : 192,833,136.60 = 95,818,658.80 : x
  2. Step 2: Convert to fraction form
    128,555,424.40/192,833,136.60 = 95,818,658.80/x
  3. Step 3: Cross multiply
    128,555,424.40x = 192,833,136.60 × 95,818,658.80
  4. Step 4: Simplify right side
    128,555,424.40x = 18,477,012,521,209,192
  5. Step 5: Solve for x
    x = 18,477,012,521,209,192/128,555,424.40
  6. Step 6: Final answer
    x = 143,727,988.20

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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.