Home / 52,100,157.20-78,153,968.28-13,761,289.04

Finding the Fourth Proportional to 52,100,157.20, 78,153,968.28 and 13,761,289.04

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Solution

The fourth proportional to 52,100,157.20, 78,153,968.28 and 13,761,289.04 is: 20,642,919.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,100,157.20 : 78,153,968.28 = 13,761,289.04 : x
  2. Step 2: Convert to fraction form
    52,100,157.20/78,153,968.28 = 13,761,289.04/x
  3. Step 3: Cross multiply
    52,100,157.20x = 78,153,968.28 × 13,761,289.04
  4. Step 4: Simplify right side
    52,100,157.20x = 1,075,499,347,124,071.62
  5. Step 5: Solve for x
    x = 1,075,499,347,124,071.62/52,100,157.20
  6. Step 6: Final answer
    x = 20,642,919.43

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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.