Home / 74,156,973.40-111,235,460.10-51,198,722.20

Finding the Fourth Proportional to 74,156,973.40, 111,235,460.10 and 51,198,722.20

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Solution

The fourth proportional to 74,156,973.40, 111,235,460.10 and 51,198,722.20 is: 76,798,083.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,156,973.40 : 111,235,460.10 = 51,198,722.20 : x
  2. Step 2: Convert to fraction form
    74,156,973.40/111,235,460.10 = 51,198,722.20/x
  3. Step 3: Cross multiply
    74,156,973.40x = 111,235,460.10 × 51,198,722.20
  4. Step 4: Simplify right side
    74,156,973.40x = 5,695,113,420,449,084
  5. Step 5: Solve for x
    x = 5,695,113,420,449,084/74,156,973.40
  6. Step 6: Final answer
    x = 76,798,083.30

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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.