Home / 265,720,097.80-398,643,132.30-136,347,675.40

Finding the Fourth Proportional to 265,720,097.80, 398,643,132.30 and 136,347,675.40

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Solution

The fourth proportional to 265,720,097.80, 398,643,132.30 and 136,347,675.40 is: 204,553,832.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,720,097.80 : 398,643,132.30 = 136,347,675.40 : x
  2. Step 2: Convert to fraction form
    265,720,097.80/398,643,132.30 = 136,347,675.40/x
  3. Step 3: Cross multiply
    265,720,097.80x = 398,643,132.30 × 136,347,675.40
  4. Step 4: Simplify right side
    265,720,097.80x = 54,354,064,403,279,656
  5. Step 5: Solve for x
    x = 54,354,064,403,279,656/265,720,097.80
  6. Step 6: Final answer
    x = 204,553,832.60

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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.