Home / 259,789,740.32-358,510,264.98-142,312,491.92

Finding the Fourth Proportional to 259,789,740.32, 358,510,264.98 and 142,312,491.92

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Solution

The fourth proportional to 259,789,740.32, 358,510,264.98 and 142,312,491.92 is: 196,391,470.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,789,740.32 : 358,510,264.98 = 142,312,491.92 : x
  2. Step 2: Convert to fraction form
    259,789,740.32/358,510,264.98 = 142,312,491.92/x
  3. Step 3: Cross multiply
    259,789,740.32x = 358,510,264.98 × 142,312,491.92
  4. Step 4: Simplify right side
    259,789,740.32x = 51,020,489,188,203,304
  5. Step 5: Solve for x
    x = 51,020,489,188,203,304/259,789,740.32
  6. Step 6: Final answer
    x = 196,391,470.75

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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.