Home / 265,890,384.20-366,989,951.70-155,917,526.60

Finding the Fourth Proportional to 265,890,384.20, 366,989,951.70 and 155,917,526.60

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Solution

The fourth proportional to 265,890,384.20, 366,989,951.70 and 155,917,526.60 is: 215,202,086.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,890,384.20 : 366,989,951.70 = 155,917,526.60 : x
  2. Step 2: Convert to fraction form
    265,890,384.20/366,989,951.70 = 155,917,526.60/x
  3. Step 3: Cross multiply
    265,890,384.20x = 366,989,951.70 × 155,917,526.60
  4. Step 4: Simplify right side
    265,890,384.20x = 57,220,165,556,117,464
  5. Step 5: Solve for x
    x = 57,220,165,556,117,464/265,890,384.20
  6. Step 6: Final answer
    x = 215,202,086.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.