Home / 108,820,024.20-162,852,122.70-74,807,800.20

Finding the Fourth Proportional to 108,820,024.20, 162,852,122.70 and 74,807,800.20

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Solution

The fourth proportional to 108,820,024.20, 162,852,122.70 and 74,807,800.20 is: 111,951,905.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,820,024.20 : 162,852,122.70 = 74,807,800.20 : x
  2. Step 2: Convert to fraction form
    108,820,024.20/162,852,122.70 = 74,807,800.20/x
  3. Step 3: Cross multiply
    108,820,024.20x = 162,852,122.70 × 74,807,800.20
  4. Step 4: Simplify right side
    108,820,024.20x = 12,182,609,057,087,484
  5. Step 5: Solve for x
    x = 12,182,609,057,087,484/108,820,024.20
  6. Step 6: Final answer
    x = 111,951,905.42

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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.