Home / 86,263,718.24-129,352,308.16-28,735,764.32

Finding the Fourth Proportional to 86,263,718.24, 129,352,308.16 and 28,735,764.32

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Solution

The fourth proportional to 86,263,718.24, 129,352,308.16 and 28,735,764.32 is: 43,089,232.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,263,718.24 : 129,352,308.16 = 28,735,764.32 : x
  2. Step 2: Convert to fraction form
    86,263,718.24/129,352,308.16 = 28,735,764.32/x
  3. Step 3: Cross multiply
    86,263,718.24x = 129,352,308.16 × 28,735,764.32
  4. Step 4: Simplify right side
    86,263,718.24x = 3,717,037,441,533,773
  5. Step 5: Solve for x
    x = 3,717,037,441,533,773/86,263,718.24
  6. Step 6: Final answer
    x = 43,089,232.85

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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.