Home / 115,338,251.85-159,149,665.41-70,051,430.79

Finding the Fourth Proportional to 115,338,251.85, 159,149,665.41 and 70,051,430.79

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Solution

The fourth proportional to 115,338,251.85, 159,149,665.41 and 70,051,430.79 is: 96,660,575.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,338,251.85 : 159,149,665.41 = 70,051,430.79 : x
  2. Step 2: Convert to fraction form
    115,338,251.85/159,149,665.41 = 70,051,430.79/x
  3. Step 3: Cross multiply
    115,338,251.85x = 159,149,665.41 × 70,051,430.79
  4. Step 4: Simplify right side
    115,338,251.85x = 11,148,661,771,720,272
  5. Step 5: Solve for x
    x = 11,148,661,771,720,272/115,338,251.85
  6. Step 6: Final answer
    x = 96,660,575.25

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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.