Home / 177,989,287.20-266,983,930.80-165,518,138.40

Finding the Fourth Proportional to 177,989,287.20, 266,983,930.80 and 165,518,138.40

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Solution

The fourth proportional to 177,989,287.20, 266,983,930.80 and 165,518,138.40 is: 248,277,207.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,989,287.20 : 266,983,930.80 = 165,518,138.40 : x
  2. Step 2: Convert to fraction form
    177,989,287.20/266,983,930.80 = 165,518,138.40/x
  3. Step 3: Cross multiply
    177,989,287.20x = 266,983,930.80 × 165,518,138.40
  4. Step 4: Simplify right side
    177,989,287.20x = 44,190,683,208,730,424
  5. Step 5: Solve for x
    x = 44,190,683,208,730,424/177,989,287.20
  6. Step 6: Final answer
    x = 248,277,207.60

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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.