Home / 65,843,148.89-98,766,963.21-31,281,713.79

Finding the Fourth Proportional to 65,843,148.89, 98,766,963.21 and 31,281,713.79

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Solution

The fourth proportional to 65,843,148.89, 98,766,963.21 and 31,281,713.79 is: 46,923,634.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,843,148.89 : 98,766,963.21 = 31,281,713.79 : x
  2. Step 2: Convert to fraction form
    65,843,148.89/98,766,963.21 = 31,281,713.79/x
  3. Step 3: Cross multiply
    65,843,148.89x = 98,766,963.21 × 31,281,713.79
  4. Step 4: Simplify right side
    65,843,148.89x = 3,089,599,875,042,679.50
  5. Step 5: Solve for x
    x = 3,089,599,875,042,679.50/65,843,148.89
  6. Step 6: Final answer
    x = 46,923,634.84

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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.