Home / 71,442,003.70-107,163,005.55-70,938,118.90

Finding the Fourth Proportional to 71,442,003.70, 107,163,005.55 and 70,938,118.90

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Solution

The fourth proportional to 71,442,003.70, 107,163,005.55 and 70,938,118.90 is: 106,407,178.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,442,003.70 : 107,163,005.55 = 70,938,118.90 : x
  2. Step 2: Convert to fraction form
    71,442,003.70/107,163,005.55 = 70,938,118.90/x
  3. Step 3: Cross multiply
    71,442,003.70x = 107,163,005.55 × 70,938,118.90
  4. Step 4: Simplify right side
    71,442,003.70x = 7,601,942,029,387,260
  5. Step 5: Solve for x
    x = 7,601,942,029,387,260/71,442,003.70
  6. Step 6: Final answer
    x = 106,407,178.35

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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.