Home / 131,061,072.75-180,864,358.16-73,114,320.75

Finding the Fourth Proportional to 131,061,072.75, 180,864,358.16 and 73,114,320.75

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Solution

The fourth proportional to 131,061,072.75, 180,864,358.16 and 73,114,320.75 is: 100,897,806.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,061,072.75 : 180,864,358.16 = 73,114,320.75 : x
  2. Step 2: Convert to fraction form
    131,061,072.75/180,864,358.16 = 73,114,320.75/x
  3. Step 3: Cross multiply
    131,061,072.75x = 180,864,358.16 × 73,114,320.75
  4. Step 4: Simplify right side
    131,061,072.75x = 13,223,774,694,387,548
  5. Step 5: Solve for x
    x = 13,223,774,694,387,548/131,061,072.75
  6. Step 6: Final answer
    x = 100,897,806.01

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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.