Home / 109,968,126.80-164,952,190.20-109,296,280.40

Finding the Fourth Proportional to 109,968,126.80, 164,952,190.20 and 109,296,280.40

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Solution

The fourth proportional to 109,968,126.80, 164,952,190.20 and 109,296,280.40 is: 163,944,420.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,968,126.80 : 164,952,190.20 = 109,296,280.40 : x
  2. Step 2: Convert to fraction form
    109,968,126.80/164,952,190.20 = 109,296,280.40/x
  3. Step 3: Cross multiply
    109,968,126.80x = 164,952,190.20 × 109,296,280.40
  4. Step 4: Simplify right side
    109,968,126.80x = 18,028,660,832,693,332
  5. Step 5: Solve for x
    x = 18,028,660,832,693,332/109,968,126.80
  6. Step 6: Final answer
    x = 163,944,420.60

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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.