Home / 265,939,397.61-399,064,542.90-192,090,356.25

Finding the Fourth Proportional to 265,939,397.61, 399,064,542.90 and 192,090,356.25

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Solution

The fourth proportional to 265,939,397.61, 399,064,542.90 and 192,090,356.25 is: 288,247,814.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,939,397.61 : 399,064,542.90 = 192,090,356.25 : x
  2. Step 2: Convert to fraction form
    265,939,397.61/399,064,542.90 = 192,090,356.25/x
  3. Step 3: Cross multiply
    265,939,397.61x = 399,064,542.90 × 192,090,356.25
  4. Step 4: Simplify right side
    265,939,397.61x = 76,656,450,210,187,584
  5. Step 5: Solve for x
    x = 76,656,450,210,187,584/265,939,397.61
  6. Step 6: Final answer
    x = 288,247,814.73

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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.