Home / 143,739,391.80-215,609,087.70-52,844,172.60

Finding the Fourth Proportional to 143,739,391.80, 215,609,087.70 and 52,844,172.60

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Solution

The fourth proportional to 143,739,391.80, 215,609,087.70 and 52,844,172.60 is: 79,266,258.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,739,391.80 : 215,609,087.70 = 52,844,172.60 : x
  2. Step 2: Convert to fraction form
    143,739,391.80/215,609,087.70 = 52,844,172.60/x
  3. Step 3: Cross multiply
    143,739,391.80x = 215,609,087.70 × 52,844,172.60
  4. Step 4: Simplify right side
    143,739,391.80x = 11,393,683,844,547,336
  5. Step 5: Solve for x
    x = 11,393,683,844,547,336/143,739,391.80
  6. Step 6: Final answer
    x = 79,266,258.90

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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.