Home / 265,974,882.40-398,626,400.40-129,366,114.40

Finding the Fourth Proportional to 265,974,882.40, 398,626,400.40 and 129,366,114.40

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Solution

The fourth proportional to 265,974,882.40, 398,626,400.40 and 129,366,114.40 is: 193,885,783.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,974,882.40 : 398,626,400.40 = 129,366,114.40 : x
  2. Step 2: Convert to fraction form
    265,974,882.40/398,626,400.40 = 129,366,114.40/x
  3. Step 3: Cross multiply
    265,974,882.40x = 398,626,400.40 × 129,366,114.40
  4. Step 4: Simplify right side
    265,974,882.40x = 51,568,748,517,006,608
  5. Step 5: Solve for x
    x = 51,568,748,517,006,608/265,974,882.40
  6. Step 6: Final answer
    x = 193,885,783.69

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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.