Home / 115,313,932.86-159,306,073.83-75,715,411.02

Finding the Fourth Proportional to 115,313,932.86, 159,306,073.83 and 75,715,411.02

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Solution

The fourth proportional to 115,313,932.86, 159,306,073.83 and 75,715,411.02 is: 104,600,758.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,313,932.86 : 159,306,073.83 = 75,715,411.02 : x
  2. Step 2: Convert to fraction form
    115,313,932.86/159,306,073.83 = 75,715,411.02/x
  3. Step 3: Cross multiply
    115,313,932.86x = 159,306,073.83 × 75,715,411.02
  4. Step 4: Simplify right side
    115,313,932.86x = 12,061,924,858,020,916
  5. Step 5: Solve for x
    x = 12,061,924,858,020,916/115,313,932.86
  6. Step 6: Final answer
    x = 104,600,758.63

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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.