Home / 143,393,988.15-215,090,654.18-61,459,739.01

Finding the Fourth Proportional to 143,393,988.15, 215,090,654.18 and 61,459,739.01

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Solution

The fourth proportional to 143,393,988.15, 215,090,654.18 and 61,459,739.01 is: 92,189,467.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,393,988.15 : 215,090,654.18 = 61,459,739.01 : x
  2. Step 2: Convert to fraction form
    143,393,988.15/215,090,654.18 = 61,459,739.01/x
  3. Step 3: Cross multiply
    143,393,988.15x = 215,090,654.18 × 61,459,739.01
  4. Step 4: Simplify right side
    143,393,988.15x = 13,219,415,469,085,668
  5. Step 5: Solve for x
    x = 13,219,415,469,085,668/143,393,988.15
  6. Step 6: Final answer
    x = 92,189,467.91

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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.