Home / 485,057,211.20-727,592,037.60-161,941,083.20

Finding the Fourth Proportional to 485,057,211.20, 727,592,037.60 and 161,941,083.20

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Solution

The fourth proportional to 485,057,211.20, 727,592,037.60 and 161,941,083.20 is: 242,913,701.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,057,211.20 : 727,592,037.60 = 161,941,083.20 : x
  2. Step 2: Convert to fraction form
    485,057,211.20/727,592,037.60 = 161,941,083.20/x
  3. Step 3: Cross multiply
    485,057,211.20x = 727,592,037.60 × 161,941,083.20
  4. Step 4: Simplify right side
    485,057,211.20x = 117,827,042,696,639,120
  5. Step 5: Solve for x
    x = 117,827,042,696,639,120/485,057,211.20
  6. Step 6: Final answer
    x = 242,913,701.67

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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.