Home / 48,200,765.60-66,492,461.04-30,778,793.12

Finding the Fourth Proportional to 48,200,765.60, 66,492,461.04 and 30,778,793.12

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Solution

The fourth proportional to 48,200,765.60, 66,492,461.04 and 30,778,793.12 is: 42,459,028.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,200,765.60 : 66,492,461.04 = 30,778,793.12 : x
  2. Step 2: Convert to fraction form
    48,200,765.60/66,492,461.04 = 30,778,793.12/x
  3. Step 3: Cross multiply
    48,200,765.60x = 66,492,461.04 × 30,778,793.12
  4. Step 4: Simplify right side
    48,200,765.60x = 2,046,557,702,389,820
  5. Step 5: Solve for x
    x = 2,046,557,702,389,820/48,200,765.60
  6. Step 6: Final answer
    x = 42,459,028.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.