Home / 83,434,809.80-115,131,741.53-48,163,977.86

Finding the Fourth Proportional to 83,434,809.80, 115,131,741.53 and 48,163,977.86

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Solution

The fourth proportional to 83,434,809.80, 115,131,741.53 and 48,163,977.86 is: 66,461,500.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,434,809.80 : 115,131,741.53 = 48,163,977.86 : x
  2. Step 2: Convert to fraction form
    83,434,809.80/115,131,741.53 = 48,163,977.86/x
  3. Step 3: Cross multiply
    83,434,809.80x = 115,131,741.53 × 48,163,977.86
  4. Step 4: Simplify right side
    83,434,809.80x = 5,545,202,649,217,684
  5. Step 5: Solve for x
    x = 5,545,202,649,217,684/83,434,809.80
  6. Step 6: Final answer
    x = 66,461,500.45

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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.