Home / 73,155,524.80-109,621,312.80-69,124,446.40

Finding the Fourth Proportional to 73,155,524.80, 109,621,312.80 and 69,124,446.40

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Solution

The fourth proportional to 73,155,524.80, 109,621,312.80 and 69,124,446.40 is: 103,580,865.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,155,524.80 : 109,621,312.80 = 69,124,446.40 : x
  2. Step 2: Convert to fraction form
    73,155,524.80/109,621,312.80 = 69,124,446.40/x
  3. Step 3: Cross multiply
    73,155,524.80x = 109,621,312.80 × 69,124,446.40
  4. Step 4: Simplify right side
    73,155,524.80x = 7,577,512,560,941,234
  5. Step 5: Solve for x
    x = 7,577,512,560,941,234/73,155,524.80
  6. Step 6: Final answer
    x = 103,580,865.31

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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.