Home / 205,045,973.40-307,568,960.10-61,438,805.40

Finding the Fourth Proportional to 205,045,973.40, 307,568,960.10 and 61,438,805.40

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Solution

The fourth proportional to 205,045,973.40, 307,568,960.10 and 61,438,805.40 is: 92,158,208.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,045,973.40 : 307,568,960.10 = 61,438,805.40 : x
  2. Step 2: Convert to fraction form
    205,045,973.40/307,568,960.10 = 61,438,805.40/x
  3. Step 3: Cross multiply
    205,045,973.40x = 307,568,960.10 × 61,438,805.40
  4. Step 4: Simplify right side
    205,045,973.40x = 18,896,669,486,664,264
  5. Step 5: Solve for x
    x = 18,896,669,486,664,264/205,045,973.40
  6. Step 6: Final answer
    x = 92,158,208.10

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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.