Home / 141,952,838.92-195,895,188.79-78,373,301.04

Finding the Fourth Proportional to 141,952,838.92, 195,895,188.79 and 78,373,301.04

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Solution

The fourth proportional to 141,952,838.92, 195,895,188.79 and 78,373,301.04 is: 108,155,305.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,952,838.92 : 195,895,188.79 = 78,373,301.04 : x
  2. Step 2: Convert to fraction form
    141,952,838.92/195,895,188.79 = 78,373,301.04/x
  3. Step 3: Cross multiply
    141,952,838.92x = 195,895,188.79 × 78,373,301.04
  4. Step 4: Simplify right side
    141,952,838.92x = 15,352,952,603,130,370
  5. Step 5: Solve for x
    x = 15,352,952,603,130,370/141,952,838.92
  6. Step 6: Final answer
    x = 108,155,305.10

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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.