Home / 129,033,696.80-193,550,545.20-86,035,527.20

Finding the Fourth Proportional to 129,033,696.80, 193,550,545.20 and 86,035,527.20

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Solution

The fourth proportional to 129,033,696.80, 193,550,545.20 and 86,035,527.20 is: 129,053,290.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,033,696.80 : 193,550,545.20 = 86,035,527.20 : x
  2. Step 2: Convert to fraction form
    129,033,696.80/193,550,545.20 = 86,035,527.20/x
  3. Step 3: Cross multiply
    129,033,696.80x = 193,550,545.20 × 86,035,527.20
  4. Step 4: Simplify right side
    129,033,696.80x = 16,652,223,196,129,428
  5. Step 5: Solve for x
    x = 16,652,223,196,129,428/129,033,696.80
  6. Step 6: Final answer
    x = 129,053,290.80

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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.