Home / 143,738,734.80-215,608,102.20-79,017,531.60

Finding the Fourth Proportional to 143,738,734.80, 215,608,102.20 and 79,017,531.60

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Solution

The fourth proportional to 143,738,734.80, 215,608,102.20 and 79,017,531.60 is: 118,526,297.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,738,734.80 : 215,608,102.20 = 79,017,531.60 : x
  2. Step 2: Convert to fraction form
    143,738,734.80/215,608,102.20 = 79,017,531.60/x
  3. Step 3: Cross multiply
    143,738,734.80x = 215,608,102.20 × 79,017,531.60
  4. Step 4: Simplify right side
    143,738,734.80x = 17,036,820,028,804,528
  5. Step 5: Solve for x
    x = 17,036,820,028,804,528/143,738,734.80
  6. Step 6: Final answer
    x = 118,526,297.40

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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.