Home / 73,815,965.40-110,723,948.10-70,120,810.20

Finding the Fourth Proportional to 73,815,965.40, 110,723,948.10 and 70,120,810.20

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Solution

The fourth proportional to 73,815,965.40, 110,723,948.10 and 70,120,810.20 is: 105,181,215.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,815,965.40 : 110,723,948.10 = 70,120,810.20 : x
  2. Step 2: Convert to fraction form
    73,815,965.40/110,723,948.10 = 70,120,810.20/x
  3. Step 3: Cross multiply
    73,815,965.40x = 110,723,948.10 × 70,120,810.20
  4. Step 4: Simplify right side
    73,815,965.40x = 7,764,052,949,314,751
  5. Step 5: Solve for x
    x = 7,764,052,949,314,751/73,815,965.40
  6. Step 6: Final answer
    x = 105,181,215.30

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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.