Home / 74,086,670.20-111,130,005.30-72,669,494.20

Finding the Fourth Proportional to 74,086,670.20, 111,130,005.30 and 72,669,494.20

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Solution

The fourth proportional to 74,086,670.20, 111,130,005.30 and 72,669,494.20 is: 109,004,241.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,086,670.20 : 111,130,005.30 = 72,669,494.20 : x
  2. Step 2: Convert to fraction form
    74,086,670.20/111,130,005.30 = 72,669,494.20/x
  3. Step 3: Cross multiply
    74,086,670.20x = 111,130,005.30 × 72,669,494.20
  4. Step 4: Simplify right side
    74,086,670.20x = 8,075,761,275,594,319
  5. Step 5: Solve for x
    x = 8,075,761,275,594,319/74,086,670.20
  6. Step 6: Final answer
    x = 109,004,241.30

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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.