Home / 101,315,588.60-139,815,631.86-54,905,842.28

Finding the Fourth Proportional to 101,315,588.60, 139,815,631.86 and 54,905,842.28

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Solution

The fourth proportional to 101,315,588.60, 139,815,631.86 and 54,905,842.28 is: 75,770,127.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,315,588.60 : 139,815,631.86 = 54,905,842.28 : x
  2. Step 2: Convert to fraction form
    101,315,588.60/139,815,631.86 = 54,905,842.28/x
  3. Step 3: Cross multiply
    101,315,588.60x = 139,815,631.86 × 54,905,842.28
  4. Step 4: Simplify right side
    101,315,588.60x = 7,676,695,031,183,704
  5. Step 5: Solve for x
    x = 7,676,695,031,183,704/101,315,588.60
  6. Step 6: Final answer
    x = 75,770,127.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.