Home / 168,499,809.90-252,777,708.45-66,267,182.70

Finding the Fourth Proportional to 168,499,809.90, 252,777,708.45 and 66,267,182.70

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Solution

The fourth proportional to 168,499,809.90, 252,777,708.45 and 66,267,182.70 is: 99,411,783.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,499,809.90 : 252,777,708.45 = 66,267,182.70 : x
  2. Step 2: Convert to fraction form
    168,499,809.90/252,777,708.45 = 66,267,182.70/x
  3. Step 3: Cross multiply
    168,499,809.90x = 252,777,708.45 × 66,267,182.70
  4. Step 4: Simplify right side
    168,499,809.90x = 16,750,866,588,343,484
  5. Step 5: Solve for x
    x = 16,750,866,588,343,484/168,499,809.90
  6. Step 6: Final answer
    x = 99,411,783.30

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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.