Home / 265,728,385.80-398,655,564.30-136,355,963.40

Finding the Fourth Proportional to 265,728,385.80, 398,655,564.30 and 136,355,963.40

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Solution

The fourth proportional to 265,728,385.80, 398,655,564.30 and 136,355,963.40 is: 204,566,265.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,728,385.80 : 398,655,564.30 = 136,355,963.40 : x
  2. Step 2: Convert to fraction form
    265,728,385.80/398,655,564.30 = 136,355,963.40/x
  3. Step 3: Cross multiply
    265,728,385.80x = 398,655,564.30 × 136,355,963.40
  4. Step 4: Simplify right side
    265,728,385.80x = 54,359,063,534,897,152
  5. Step 5: Solve for x
    x = 54,359,063,534,897,152/265,728,385.80
  6. Step 6: Final answer
    x = 204,566,265.55

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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.