Home / 261,319,048.22-392,250,967.45-115,854,764.87

Finding the Fourth Proportional to 261,319,048.22, 392,250,967.45 and 115,854,764.87

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Solution

The fourth proportional to 261,319,048.22, 392,250,967.45 and 115,854,764.87 is: 173,902,912.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,319,048.22 : 392,250,967.45 = 115,854,764.87 : x
  2. Step 2: Convert to fraction form
    261,319,048.22/392,250,967.45 = 115,854,764.87/x
  3. Step 3: Cross multiply
    261,319,048.22x = 392,250,967.45 × 115,854,764.87
  4. Step 4: Simplify right side
    261,319,048.22x = 45,444,143,604,640,760
  5. Step 5: Solve for x
    x = 45,444,143,604,640,760/261,319,048.22
  6. Step 6: Final answer
    x = 173,902,912.60

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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.