Home / 210,371,726.80-315,557,585.34-57,017,780.20

Finding the Fourth Proportional to 210,371,726.80, 315,557,585.34 and 57,017,780.20

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Solution

The fourth proportional to 210,371,726.80, 315,557,585.34 and 57,017,780.20 is: 85,526,668.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,371,726.80 : 315,557,585.34 = 57,017,780.20 : x
  2. Step 2: Convert to fraction form
    210,371,726.80/315,557,585.34 = 57,017,780.20/x
  3. Step 3: Cross multiply
    210,371,726.80x = 315,557,585.34 × 57,017,780.20
  4. Step 4: Simplify right side
    210,371,726.80x = 17,992,393,041,358,862
  5. Step 5: Solve for x
    x = 17,992,393,041,358,862/210,371,726.80
  6. Step 6: Final answer
    x = 85,526,668.98

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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.