Home / 86,263,712.49-129,352,299.62-28,735,758.57

Finding the Fourth Proportional to 86,263,712.49, 129,352,299.62 and 28,735,758.57

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Solution

The fourth proportional to 86,263,712.49, 129,352,299.62 and 28,735,758.57 is: 43,089,224.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,263,712.49 : 129,352,299.62 = 28,735,758.57 : x
  2. Step 2: Convert to fraction form
    86,263,712.49/129,352,299.62 = 28,735,758.57/x
  3. Step 3: Cross multiply
    86,263,712.49x = 129,352,299.62 × 28,735,758.57
  4. Step 4: Simplify right side
    86,263,712.49x = 3,717,036,452,210,944
  5. Step 5: Solve for x
    x = 3,717,036,452,210,944/86,263,712.49
  6. Step 6: Final answer
    x = 43,089,224.25

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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.