Home / 86,263,720.24-129,352,311.16-28,735,766.32

Finding the Fourth Proportional to 86,263,720.24, 129,352,311.16 and 28,735,766.32

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Solution

The fourth proportional to 86,263,720.24, 129,352,311.16 and 28,735,766.32 is: 43,089,235.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,263,720.24 : 129,352,311.16 = 28,735,766.32 : x
  2. Step 2: Convert to fraction form
    86,263,720.24/129,352,311.16 = 28,735,766.32/x
  3. Step 3: Cross multiply
    86,263,720.24x = 129,352,311.16 × 28,735,766.32
  4. Step 4: Simplify right side
    86,263,720.24x = 3,717,037,786,445,688
  5. Step 5: Solve for x
    x = 3,717,037,786,445,688/86,263,720.24
  6. Step 6: Final answer
    x = 43,089,235.85

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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.