Home / 168,532,672.80-252,799,009.20-117,472,346.40

Finding the Fourth Proportional to 168,532,672.80, 252,799,009.20 and 117,472,346.40

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Solution

The fourth proportional to 168,532,672.80, 252,799,009.20 and 117,472,346.40 is: 176,208,519.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,532,672.80 : 252,799,009.20 = 117,472,346.40 : x
  2. Step 2: Convert to fraction form
    168,532,672.80/252,799,009.20 = 117,472,346.40/x
  3. Step 3: Cross multiply
    168,532,672.80x = 252,799,009.20 × 117,472,346.40
  4. Step 4: Simplify right side
    168,532,672.80x = 29,696,892,778,319,188
  5. Step 5: Solve for x
    x = 29,696,892,778,319,188/168,532,672.80
  6. Step 6: Final answer
    x = 176,208,519.60

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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.