Home / 107,008,077.20-160,512,115.80-66,597,760.40

Finding the Fourth Proportional to 107,008,077.20, 160,512,115.80 and 66,597,760.40

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Solution

The fourth proportional to 107,008,077.20, 160,512,115.80 and 66,597,760.40 is: 99,896,640.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,008,077.20 : 160,512,115.80 = 66,597,760.40 : x
  2. Step 2: Convert to fraction form
    107,008,077.20/160,512,115.80 = 66,597,760.40/x
  3. Step 3: Cross multiply
    107,008,077.20x = 160,512,115.80 × 66,597,760.40
  4. Step 4: Simplify right side
    107,008,077.20x = 10,689,747,429,345,454
  5. Step 5: Solve for x
    x = 10,689,747,429,345,454/107,008,077.20
  6. Step 6: Final answer
    x = 99,896,640.60

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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.