Home / 83,434,811.81-115,131,744.27-48,163,979.86

Finding the Fourth Proportional to 83,434,811.81, 115,131,744.27 and 48,163,979.86

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Solution

The fourth proportional to 83,434,811.81, 115,131,744.27 and 48,163,979.86 is: 66,461,503.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,434,811.81 : 115,131,744.27 = 48,163,979.86 : x
  2. Step 2: Convert to fraction form
    83,434,811.81/115,131,744.27 = 48,163,979.86/x
  3. Step 3: Cross multiply
    83,434,811.81x = 115,131,744.27 × 48,163,979.86
  4. Step 4: Simplify right side
    83,434,811.81x = 5,545,203,011,691,291
  5. Step 5: Solve for x
    x = 5,545,203,011,691,291/83,434,811.81
  6. Step 6: Final answer
    x = 66,461,503.20

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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.