Home / 168,499,852.40-252,777,772.20-66,267,225.20

Finding the Fourth Proportional to 168,499,852.40, 252,777,772.20 and 66,267,225.20

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Solution

The fourth proportional to 168,499,852.40, 252,777,772.20 and 66,267,225.20 is: 99,411,847.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,499,852.40 : 252,777,772.20 = 66,267,225.20 : x
  2. Step 2: Convert to fraction form
    168,499,852.40/252,777,772.20 = 66,267,225.20/x
  3. Step 3: Cross multiply
    168,499,852.40x = 252,777,772.20 × 66,267,225.20
  4. Step 4: Simplify right side
    168,499,852.40x = 16,750,881,555,931,700
  5. Step 5: Solve for x
    x = 16,750,881,555,931,700/168,499,852.40
  6. Step 6: Final answer
    x = 99,411,847.06

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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.