Home / 160,044,518.34-220,861,659.42-86,705,660.34

Finding the Fourth Proportional to 160,044,518.34, 220,861,659.42 and 86,705,660.34

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Solution

The fourth proportional to 160,044,518.34, 220,861,659.42 and 86,705,660.34 is: 119,653,932.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,044,518.34 : 220,861,659.42 = 86,705,660.34 : x
  2. Step 2: Convert to fraction form
    160,044,518.34/220,861,659.42 = 86,705,660.34/x
  3. Step 3: Cross multiply
    160,044,518.34x = 220,861,659.42 × 86,705,660.34
  4. Step 4: Simplify right side
    160,044,518.34x = 19,149,956,023,799,280
  5. Step 5: Solve for x
    x = 19,149,956,023,799,280/160,044,518.34
  6. Step 6: Final answer
    x = 119,653,932.68

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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.