Home / 86,346,239.10-129,505,171.70-31,002,617.31

Finding the Fourth Proportional to 86,346,239.10, 129,505,171.70 and 31,002,617.31

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Solution

The fourth proportional to 86,346,239.10, 129,505,171.70 and 31,002,617.31 is: 46,498,832.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,346,239.10 : 129,505,171.70 = 31,002,617.31 : x
  2. Step 2: Convert to fraction form
    86,346,239.10/129,505,171.70 = 31,002,617.31/x
  3. Step 3: Cross multiply
    86,346,239.10x = 129,505,171.70 × 31,002,617.31
  4. Step 4: Simplify right side
    86,346,239.10x = 4,014,999,277,725,928.50
  5. Step 5: Solve for x
    x = 4,014,999,277,725,928.50/86,346,239.10
  6. Step 6: Final answer
    x = 46,498,832.14

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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.