Home / 142,000,315.20-212,832,511.20-73,807,905.60

Finding the Fourth Proportional to 142,000,315.20, 212,832,511.20 and 73,807,905.60

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Solution

The fourth proportional to 142,000,315.20, 212,832,511.20 and 73,807,905.60 is: 110,624,556.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,000,315.20 : 212,832,511.20 = 73,807,905.60 : x
  2. Step 2: Convert to fraction form
    142,000,315.20/212,832,511.20 = 73,807,905.60/x
  3. Step 3: Cross multiply
    142,000,315.20x = 212,832,511.20 × 73,807,905.60
  4. Step 4: Simplify right side
    142,000,315.20x = 15,708,721,895,260,540
  5. Step 5: Solve for x
    x = 15,708,721,895,260,540/142,000,315.20
  6. Step 6: Final answer
    x = 110,624,556.52

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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.