Home / 110,266,981.80-165,400,472.70-73,278,688.20

Finding the Fourth Proportional to 110,266,981.80, 165,400,472.70 and 73,278,688.20

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Solution

The fourth proportional to 110,266,981.80, 165,400,472.70 and 73,278,688.20 is: 109,918,032.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,266,981.80 : 165,400,472.70 = 73,278,688.20 : x
  2. Step 2: Convert to fraction form
    110,266,981.80/165,400,472.70 = 73,278,688.20/x
  3. Step 3: Cross multiply
    110,266,981.80x = 165,400,472.70 × 73,278,688.20
  4. Step 4: Simplify right side
    110,266,981.80x = 12,120,329,667,115,912
  5. Step 5: Solve for x
    x = 12,120,329,667,115,912/110,266,981.80
  6. Step 6: Final answer
    x = 109,918,032.30

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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.