Home / 210,854,559.20-315,945,915.60-156,435,000.80

Finding the Fourth Proportional to 210,854,559.20, 315,945,915.60 and 156,435,000.80

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Solution

The fourth proportional to 210,854,559.20, 315,945,915.60 and 156,435,000.80 is: 234,403,276.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,854,559.20 : 315,945,915.60 = 156,435,000.80 : x
  2. Step 2: Convert to fraction form
    210,854,559.20/315,945,915.60 = 156,435,000.80/x
  3. Step 3: Cross multiply
    210,854,559.20x = 315,945,915.60 × 156,435,000.80
  4. Step 4: Simplify right side
    210,854,559.20x = 49,424,999,559,642,736
  5. Step 5: Solve for x
    x = 49,424,999,559,642,736/210,854,559.20
  6. Step 6: Final answer
    x = 234,403,276.59

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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.