Home / 135,306,319.61-186,722,843.16-73,426,658.78

Finding the Fourth Proportional to 135,306,319.61, 186,722,843.16 and 73,426,658.78

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Solution

The fourth proportional to 135,306,319.61, 186,722,843.16 and 73,426,658.78 is: 101,328,855.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,306,319.61 : 186,722,843.16 = 73,426,658.78 : x
  2. Step 2: Convert to fraction form
    135,306,319.61/186,722,843.16 = 73,426,658.78/x
  3. Step 3: Cross multiply
    135,306,319.61x = 186,722,843.16 × 73,426,658.78
  4. Step 4: Simplify right side
    135,306,319.61x = 13,710,434,491,140,776
  5. Step 5: Solve for x
    x = 13,710,434,491,140,776/135,306,319.61
  6. Step 6: Final answer
    x = 101,328,855.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.