Home / 128,693,045.80-177,595,151.94-95,800,389.16

Finding the Fourth Proportional to 128,693,045.80, 177,595,151.94 and 95,800,389.16

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Solution

The fourth proportional to 128,693,045.80, 177,595,151.94 and 95,800,389.16 is: 132,203,605.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,693,045.80 : 177,595,151.94 = 95,800,389.16 : x
  2. Step 2: Convert to fraction form
    128,693,045.80/177,595,151.94 = 95,800,389.16/x
  3. Step 3: Cross multiply
    128,693,045.80x = 177,595,151.94 × 95,800,389.16
  4. Step 4: Simplify right side
    128,693,045.80x = 17,013,684,668,781,328
  5. Step 5: Solve for x
    x = 17,013,684,668,781,328/128,693,045.80
  6. Step 6: Final answer
    x = 132,203,605.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.