Home / 107,017,881.80-160,526,822.70-99,851,520.20

Finding the Fourth Proportional to 107,017,881.80, 160,526,822.70 and 99,851,520.20

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Solution

The fourth proportional to 107,017,881.80, 160,526,822.70 and 99,851,520.20 is: 149,777,280.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,017,881.80 : 160,526,822.70 = 99,851,520.20 : x
  2. Step 2: Convert to fraction form
    107,017,881.80/160,526,822.70 = 99,851,520.20/x
  3. Step 3: Cross multiply
    107,017,881.80x = 160,526,822.70 × 99,851,520.20
  4. Step 4: Simplify right side
    107,017,881.80x = 16,028,847,279,470,868
  5. Step 5: Solve for x
    x = 16,028,847,279,470,868/107,017,881.80
  6. Step 6: Final answer
    x = 149,777,280.30

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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.