Home / 120,337,069.41-180,453,040.38-42,588,132.80

Finding the Fourth Proportional to 120,337,069.41, 180,453,040.38 and 42,588,132.80

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Solution

The fourth proportional to 120,337,069.41, 180,453,040.38 and 42,588,132.80 is: 63,863,596.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,337,069.41 : 180,453,040.38 = 42,588,132.80 : x
  2. Step 2: Convert to fraction form
    120,337,069.41/180,453,040.38 = 42,588,132.80/x
  3. Step 3: Cross multiply
    120,337,069.41x = 180,453,040.38 × 42,588,132.80
  4. Step 4: Simplify right side
    120,337,069.41x = 7,685,158,046,964,937
  5. Step 5: Solve for x
    x = 7,685,158,046,964,937/120,337,069.41
  6. Step 6: Final answer
    x = 63,863,596.52

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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.