Home / 86,301,664.40-129,365,405.40-43,104,429.20

Finding the Fourth Proportional to 86,301,664.40, 129,365,405.40 and 43,104,429.20

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Solution

The fourth proportional to 86,301,664.40, 129,365,405.40 and 43,104,429.20 is: 64,613,145.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,301,664.40 : 129,365,405.40 = 43,104,429.20 : x
  2. Step 2: Convert to fraction form
    86,301,664.40/129,365,405.40 = 43,104,429.20/x
  3. Step 3: Cross multiply
    86,301,664.40x = 129,365,405.40 × 43,104,429.20
  4. Step 4: Simplify right side
    86,301,664.40x = 5,576,221,957,993,598
  5. Step 5: Solve for x
    x = 5,576,221,957,993,598/86,301,664.40
  6. Step 6: Final answer
    x = 64,613,145.03

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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.