Home / 109,142,422.20-163,713,633.30-65,493,401.40

Finding the Fourth Proportional to 109,142,422.20, 163,713,633.30 and 65,493,401.40

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Solution

The fourth proportional to 109,142,422.20, 163,713,633.30 and 65,493,401.40 is: 98,240,102.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,142,422.20 : 163,713,633.30 = 65,493,401.40 : x
  2. Step 2: Convert to fraction form
    109,142,422.20/163,713,633.30 = 65,493,401.40/x
  3. Step 3: Cross multiply
    109,142,422.20x = 163,713,633.30 × 65,493,401.40
  4. Step 4: Simplify right side
    109,142,422.20x = 10,722,162,700,369,308
  5. Step 5: Solve for x
    x = 10,722,162,700,369,308/109,142,422.20
  6. Step 6: Final answer
    x = 98,240,102.10

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1.5x scale

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.