Home / 107,265,989.20-160,982,964.60-49,765,385.20

Finding the Fourth Proportional to 107,265,989.20, 160,982,964.60 and 49,765,385.20

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Solution

The fourth proportional to 107,265,989.20, 160,982,964.60 and 49,765,385.20 is: 74,687,040.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,265,989.20 : 160,982,964.60 = 49,765,385.20 : x
  2. Step 2: Convert to fraction form
    107,265,989.20/160,982,964.60 = 49,765,385.20/x
  3. Step 3: Cross multiply
    107,265,989.20x = 160,982,964.60 × 49,765,385.20
  4. Step 4: Simplify right side
    107,265,989.20x = 8,011,379,243,956,964
  5. Step 5: Solve for x
    x = 8,011,379,243,956,964/107,265,989.20
  6. Step 6: Final answer
    x = 74,687,040.17

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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.