Home / 86,263,734.24-129,352,332.24-28,735,780.32

Finding the Fourth Proportional to 86,263,734.24, 129,352,332.24 and 28,735,780.32

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Solution

The fourth proportional to 86,263,734.24, 129,352,332.24 and 28,735,780.32 is: 43,089,256.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,263,734.24 : 129,352,332.24 = 28,735,780.32 : x
  2. Step 2: Convert to fraction form
    86,263,734.24/129,352,332.24 = 28,735,780.32/x
  3. Step 3: Cross multiply
    86,263,734.24x = 129,352,332.24 × 28,735,780.32
  4. Step 4: Simplify right side
    86,263,734.24x = 3,717,040,203,128,293.50
  5. Step 5: Solve for x
    x = 3,717,040,203,128,293.50/86,263,734.24
  6. Step 6: Final answer
    x = 43,089,256.87

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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.