Home / 210,371,727.30-315,557,586.09-57,017,780.70

Finding the Fourth Proportional to 210,371,727.30, 315,557,586.09 and 57,017,780.70

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Solution

The fourth proportional to 210,371,727.30, 315,557,586.09 and 57,017,780.70 is: 85,526,669.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,371,727.30 : 315,557,586.09 = 57,017,780.70 : x
  2. Step 2: Convert to fraction form
    210,371,727.30/315,557,586.09 = 57,017,780.70/x
  3. Step 3: Cross multiply
    210,371,727.30x = 315,557,586.09 × 57,017,780.70
  4. Step 4: Simplify right side
    210,371,727.30x = 17,992,393,241,900,990
  5. Step 5: Solve for x
    x = 17,992,393,241,900,990/210,371,727.30
  6. Step 6: Final answer
    x = 85,526,669.73

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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.