Home / 165,901,612.80-248,852,419.20-156,495,763.20

Finding the Fourth Proportional to 165,901,612.80, 248,852,419.20 and 156,495,763.20

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Solution

The fourth proportional to 165,901,612.80, 248,852,419.20 and 156,495,763.20 is: 234,743,644.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,901,612.80 : 248,852,419.20 = 156,495,763.20 : x
  2. Step 2: Convert to fraction form
    165,901,612.80/248,852,419.20 = 156,495,763.20/x
  3. Step 3: Cross multiply
    165,901,612.80x = 248,852,419.20 × 156,495,763.20
  4. Step 4: Simplify right side
    165,901,612.80x = 38,944,349,266,870,328
  5. Step 5: Solve for x
    x = 38,944,349,266,870,328/165,901,612.80
  6. Step 6: Final answer
    x = 234,743,644.80

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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.