Home / 86,263,714.74-129,352,302.99-28,735,760.82

Finding the Fourth Proportional to 86,263,714.74, 129,352,302.99 and 28,735,760.82

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Solution

The fourth proportional to 86,263,714.74, 129,352,302.99 and 28,735,760.82 is: 43,089,227.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,263,714.74 : 129,352,302.99 = 28,735,760.82 : x
  2. Step 2: Convert to fraction form
    86,263,714.74/129,352,302.99 = 28,735,760.82/x
  3. Step 3: Cross multiply
    86,263,714.74x = 129,352,302.99 × 28,735,760.82
  4. Step 4: Simplify right side
    86,263,714.74x = 3,717,036,840,236,810.50
  5. Step 5: Solve for x
    x = 3,717,036,840,236,810.50/86,263,714.74
  6. Step 6: Final answer
    x = 43,089,227.63

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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.