Home / 115,571,755.80-159,488,984.52-63,359,670.42

Finding the Fourth Proportional to 115,571,755.80, 159,488,984.52 and 63,359,670.42

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Solution

The fourth proportional to 115,571,755.80, 159,488,984.52 and 63,359,670.42 is: 87,436,324.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,571,755.80 : 159,488,984.52 = 63,359,670.42 : x
  2. Step 2: Convert to fraction form
    115,571,755.80/159,488,984.52 = 63,359,670.42/x
  3. Step 3: Cross multiply
    115,571,755.80x = 159,488,984.52 × 63,359,670.42
  4. Step 4: Simplify right side
    115,571,755.80x = 10,105,169,494,807,682
  5. Step 5: Solve for x
    x = 10,105,169,494,807,682/115,571,755.80
  6. Step 6: Final answer
    x = 87,436,324.08

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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.