Home / 107,834,760.20-161,752,140.30-67,020,091.40

Finding the Fourth Proportional to 107,834,760.20, 161,752,140.30 and 67,020,091.40

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Solution

The fourth proportional to 107,834,760.20, 161,752,140.30 and 67,020,091.40 is: 100,530,137.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,834,760.20 : 161,752,140.30 = 67,020,091.40 : x
  2. Step 2: Convert to fraction form
    107,834,760.20/161,752,140.30 = 67,020,091.40/x
  3. Step 3: Cross multiply
    107,834,760.20x = 161,752,140.30 × 67,020,091.40
  4. Step 4: Simplify right side
    107,834,760.20x = 10,840,643,227,051,624
  5. Step 5: Solve for x
    x = 10,840,643,227,051,624/107,834,760.20
  6. Step 6: Final answer
    x = 100,530,137.10

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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.