Home / 265,725,308.80-398,650,948.80-136,352,886.40

Finding the Fourth Proportional to 265,725,308.80, 398,650,948.80 and 136,352,886.40

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Solution

The fourth proportional to 265,725,308.80, 398,650,948.80 and 136,352,886.40 is: 204,561,649.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,725,308.80 : 398,650,948.80 = 136,352,886.40 : x
  2. Step 2: Convert to fraction form
    265,725,308.80/398,650,948.80 = 136,352,886.40/x
  3. Step 3: Cross multiply
    265,725,308.80x = 398,650,948.80 × 136,352,886.40
  4. Step 4: Simplify right side
    265,725,308.80x = 54,357,207,534,978,624
  5. Step 5: Solve for x
    x = 54,357,207,534,978,624/265,725,308.80
  6. Step 6: Final answer
    x = 204,561,649.70

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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.