Home / 262,957,617.79-362,868,234.65-143,877,632.92

Finding the Fourth Proportional to 262,957,617.79, 362,868,234.65 and 143,877,632.92

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Solution

The fourth proportional to 262,957,617.79, 362,868,234.65 and 143,877,632.92 is: 198,543,868.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,957,617.79 : 362,868,234.65 = 143,877,632.92 : x
  2. Step 2: Convert to fraction form
    262,957,617.79/362,868,234.65 = 143,877,632.92/x
  3. Step 3: Cross multiply
    262,957,617.79x = 362,868,234.65 × 143,877,632.92
  4. Step 4: Simplify right side
    262,957,617.79x = 52,208,622,664,254,864
  5. Step 5: Solve for x
    x = 52,208,622,664,254,864/262,957,617.79
  6. Step 6: Final answer
    x = 198,543,868.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.