Home / 128,822,864.40-193,234,296.60-88,008,195.60

Finding the Fourth Proportional to 128,822,864.40, 193,234,296.60 and 88,008,195.60

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Solution

The fourth proportional to 128,822,864.40, 193,234,296.60 and 88,008,195.60 is: 132,012,293.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,822,864.40 : 193,234,296.60 = 88,008,195.60 : x
  2. Step 2: Convert to fraction form
    128,822,864.40/193,234,296.60 = 88,008,195.60/x
  3. Step 3: Cross multiply
    128,822,864.40x = 193,234,296.60 × 88,008,195.60
  4. Step 4: Simplify right side
    128,822,864.40x = 17,006,201,771,801,214
  5. Step 5: Solve for x
    x = 17,006,201,771,801,214/128,822,864.40
  6. Step 6: Final answer
    x = 132,012,293.40

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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.