Home / 265,720,037.80-398,643,042.30-136,347,615.40

Finding the Fourth Proportional to 265,720,037.80, 398,643,042.30 and 136,347,615.40

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Solution

The fourth proportional to 265,720,037.80, 398,643,042.30 and 136,347,615.40 is: 204,553,742.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,720,037.80 : 398,643,042.30 = 136,347,615.40 : x
  2. Step 2: Convert to fraction form
    265,720,037.80/398,643,042.30 = 136,347,615.40/x
  3. Step 3: Cross multiply
    265,720,037.80x = 398,643,042.30 × 136,347,615.40
  4. Step 4: Simplify right side
    265,720,037.80x = 54,354,028,213,406,336
  5. Step 5: Solve for x
    x = 54,354,028,213,406,336/265,720,037.80
  6. Step 6: Final answer
    x = 204,553,742.59

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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.