Home / 49,432,424.40-74,148,636.60-47,416,885.20

Finding the Fourth Proportional to 49,432,424.40, 74,148,636.60 and 47,416,885.20

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Solution

The fourth proportional to 49,432,424.40, 74,148,636.60 and 47,416,885.20 is: 71,125,327.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,432,424.40 : 74,148,636.60 = 47,416,885.20 : x
  2. Step 2: Convert to fraction form
    49,432,424.40/74,148,636.60 = 47,416,885.20/x
  3. Step 3: Cross multiply
    49,432,424.40x = 74,148,636.60 × 47,416,885.20
  4. Step 4: Simplify right side
    49,432,424.40x = 3,515,897,389,398,718.50
  5. Step 5: Solve for x
    x = 3,515,897,389,398,718.50/49,432,424.40
  6. Step 6: Final answer
    x = 71,125,327.80

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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.