Home / 96,768,008.20-145,152,012.30-54,212,206.60

Finding the Fourth Proportional to 96,768,008.20, 145,152,012.30 and 54,212,206.60

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Solution

The fourth proportional to 96,768,008.20, 145,152,012.30 and 54,212,206.60 is: 81,318,309.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,768,008.20 : 145,152,012.30 = 54,212,206.60 : x
  2. Step 2: Convert to fraction form
    96,768,008.20/145,152,012.30 = 54,212,206.60/x
  3. Step 3: Cross multiply
    96,768,008.20x = 145,152,012.30 × 54,212,206.60
  4. Step 4: Simplify right side
    96,768,008.20x = 7,869,010,879,213,342
  5. Step 5: Solve for x
    x = 7,869,010,879,213,342/96,768,008.20
  6. Step 6: Final answer
    x = 81,318,309.90

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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.