Home / 123,831,498.20-185,747,247.30-83,016,829.40

Finding the Fourth Proportional to 123,831,498.20, 185,747,247.30 and 83,016,829.40

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Solution

The fourth proportional to 123,831,498.20, 185,747,247.30 and 83,016,829.40 is: 124,525,244.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,831,498.20 : 185,747,247.30 = 83,016,829.40 : x
  2. Step 2: Convert to fraction form
    123,831,498.20/185,747,247.30 = 83,016,829.40/x
  3. Step 3: Cross multiply
    123,831,498.20x = 185,747,247.30 × 83,016,829.40
  4. Step 4: Simplify right side
    123,831,498.20x = 15,420,147,540,623,712
  5. Step 5: Solve for x
    x = 15,420,147,540,623,712/123,831,498.20
  6. Step 6: Final answer
    x = 124,525,244.10

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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.