Home / 160,044,570.78-220,861,732.50-86,705,712.78

Finding the Fourth Proportional to 160,044,570.78, 220,861,732.50 and 86,705,712.78

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Solution

The fourth proportional to 160,044,570.78, 220,861,732.50 and 86,705,712.78 is: 119,654,005.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,044,570.78 : 220,861,732.50 = 86,705,712.78 : x
  2. Step 2: Convert to fraction form
    160,044,570.78/220,861,732.50 = 86,705,712.78/x
  3. Step 3: Cross multiply
    160,044,570.78x = 220,861,732.50 × 86,705,712.78
  4. Step 4: Simplify right side
    160,044,570.78x = 19,149,973,942,238,192
  5. Step 5: Solve for x
    x = 19,149,973,942,238,192/160,044,570.78
  6. Step 6: Final answer
    x = 119,654,005.44

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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.