Home / 206,804,521.84-310,205,849.64-53,437,540.72

Finding the Fourth Proportional to 206,804,521.84, 310,205,849.64 and 53,437,540.72

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Solution

The fourth proportional to 206,804,521.84, 310,205,849.64 and 53,437,540.72 is: 80,156,069.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,804,521.84 : 310,205,849.64 = 53,437,540.72 : x
  2. Step 2: Convert to fraction form
    206,804,521.84/310,205,849.64 = 53,437,540.72/x
  3. Step 3: Cross multiply
    206,804,521.84x = 310,205,849.64 × 53,437,540.72
  4. Step 4: Simplify right side
    206,804,521.84x = 16,576,637,721,719,696
  5. Step 5: Solve for x
    x = 16,576,637,721,719,696/206,804,521.84
  6. Step 6: Final answer
    x = 80,156,069.97

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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.