Home / 143,932,114.80-215,898,172.20-71,160,127.20

Finding the Fourth Proportional to 143,932,114.80, 215,898,172.20 and 71,160,127.20

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Solution

The fourth proportional to 143,932,114.80, 215,898,172.20 and 71,160,127.20 is: 106,740,190.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,932,114.80 : 215,898,172.20 = 71,160,127.20 : x
  2. Step 2: Convert to fraction form
    143,932,114.80/215,898,172.20 = 71,160,127.20/x
  3. Step 3: Cross multiply
    143,932,114.80x = 215,898,172.20 × 71,160,127.20
  4. Step 4: Simplify right side
    143,932,114.80x = 15,363,341,395,999,504
  5. Step 5: Solve for x
    x = 15,363,341,395,999,504/143,932,114.80
  6. Step 6: Final answer
    x = 106,740,190.80

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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.