Home / 143,567,999.40-215,351,999.10-57,319,717.80

Finding the Fourth Proportional to 143,567,999.40, 215,351,999.10 and 57,319,717.80

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Solution

The fourth proportional to 143,567,999.40, 215,351,999.10 and 57,319,717.80 is: 85,979,576.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,567,999.40 : 215,351,999.10 = 57,319,717.80 : x
  2. Step 2: Convert to fraction form
    143,567,999.40/215,351,999.10 = 57,319,717.80/x
  3. Step 3: Cross multiply
    143,567,999.40x = 215,351,999.10 × 57,319,717.80
  4. Step 4: Simplify right side
    143,567,999.40x = 12,343,915,816,077,852
  5. Step 5: Solve for x
    x = 12,343,915,816,077,852/143,567,999.40
  6. Step 6: Final answer
    x = 85,979,576.70

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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.