Home / 115,338,254.28-159,149,668.79-70,051,433.24

Finding the Fourth Proportional to 115,338,254.28, 159,149,668.79 and 70,051,433.24

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Solution

The fourth proportional to 115,338,254.28, 159,149,668.79 and 70,051,433.24 is: 96,660,578.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,338,254.28 : 159,149,668.79 = 70,051,433.24 : x
  2. Step 2: Convert to fraction form
    115,338,254.28/159,149,668.79 = 70,051,433.24/x
  3. Step 3: Cross multiply
    115,338,254.28x = 159,149,668.79 × 70,051,433.24
  4. Step 4: Simplify right side
    115,338,254.28x = 11,148,662,397,264,790
  5. Step 5: Solve for x
    x = 11,148,662,397,264,790/115,338,254.28
  6. Step 6: Final answer
    x = 96,660,578.63

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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.