Home / 100,556,632.20-150,834,948.30-54,640,129.80

Finding the Fourth Proportional to 100,556,632.20, 150,834,948.30 and 54,640,129.80

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Solution

The fourth proportional to 100,556,632.20, 150,834,948.30 and 54,640,129.80 is: 81,960,194.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,556,632.20 : 150,834,948.30 = 54,640,129.80 : x
  2. Step 2: Convert to fraction form
    100,556,632.20/150,834,948.30 = 54,640,129.80/x
  3. Step 3: Cross multiply
    100,556,632.20x = 150,834,948.30 × 54,640,129.80
  4. Step 4: Simplify right side
    100,556,632.20x = 8,241,641,153,488,290
  5. Step 5: Solve for x
    x = 8,241,641,153,488,290/100,556,632.20
  6. Step 6: Final answer
    x = 81,960,194.70

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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.