Home / 65,843,149.89-98,766,964.71-31,281,714.79

Finding the Fourth Proportional to 65,843,149.89, 98,766,964.71 and 31,281,714.79

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Solution

The fourth proportional to 65,843,149.89, 98,766,964.71 and 31,281,714.79 is: 46,923,636.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,843,149.89 : 98,766,964.71 = 31,281,714.79 : x
  2. Step 2: Convert to fraction form
    65,843,149.89/98,766,964.71 = 31,281,714.79/x
  3. Step 3: Cross multiply
    65,843,149.89x = 98,766,964.71 × 31,281,714.79
  4. Step 4: Simplify right side
    65,843,149.89x = 3,089,600,020,732,215
  5. Step 5: Solve for x
    x = 3,089,600,020,732,215/65,843,149.89
  6. Step 6: Final answer
    x = 46,923,636.34

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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.