Home / 53,115,370.35-79,545,329.45-30,327,197.55

Finding the Fourth Proportional to 53,115,370.35, 79,545,329.45 and 30,327,197.55

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Solution

The fourth proportional to 53,115,370.35, 79,545,329.45 and 30,327,197.55 is: 45,417,868.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,115,370.35 : 79,545,329.45 = 30,327,197.55 : x
  2. Step 2: Convert to fraction form
    53,115,370.35/79,545,329.45 = 30,327,197.55/x
  3. Step 3: Cross multiply
    53,115,370.35x = 79,545,329.45 × 30,327,197.55
  4. Step 4: Simplify right side
    53,115,370.35x = 2,412,386,920,258,346.50
  5. Step 5: Solve for x
    x = 2,412,386,920,258,346.50/53,115,370.35
  6. Step 6: Final answer
    x = 45,417,868.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.