Home / 121,386,190.20-182,079,285.30-39,512,783.40

Finding the Fourth Proportional to 121,386,190.20, 182,079,285.30 and 39,512,783.40

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Solution

The fourth proportional to 121,386,190.20, 182,079,285.30 and 39,512,783.40 is: 59,269,175.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,386,190.20 : 182,079,285.30 = 39,512,783.40 : x
  2. Step 2: Convert to fraction form
    121,386,190.20/182,079,285.30 = 39,512,783.40/x
  3. Step 3: Cross multiply
    121,386,190.20x = 182,079,285.30 × 39,512,783.40
  4. Step 4: Simplify right side
    121,386,190.20x = 7,194,459,361,685,704
  5. Step 5: Solve for x
    x = 7,194,459,361,685,704/121,386,190.20
  6. Step 6: Final answer
    x = 59,269,175.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.