Home / 141,393,156.06-195,119,496.51-81,856,976.10

Finding the Fourth Proportional to 141,393,156.06, 195,119,496.51 and 81,856,976.10

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Solution

The fourth proportional to 141,393,156.06, 195,119,496.51 and 81,856,976.10 is: 112,960,856.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,393,156.06 : 195,119,496.51 = 81,856,976.10 : x
  2. Step 2: Convert to fraction form
    141,393,156.06/195,119,496.51 = 81,856,976.10/x
  3. Step 3: Cross multiply
    141,393,156.06x = 195,119,496.51 × 81,856,976.10
  4. Step 4: Simplify right side
    141,393,156.06x = 15,971,891,962,463,102
  5. Step 5: Solve for x
    x = 15,971,891,962,463,102/141,393,156.06
  6. Step 6: Final answer
    x = 112,960,856.15

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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.