Home / 86,478,430.03-119,342,910.32-47,321,857.15

Finding the Fourth Proportional to 86,478,430.03, 119,342,910.32 and 47,321,857.15

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Solution

The fourth proportional to 86,478,430.03, 119,342,910.32 and 47,321,857.15 is: 65,305,627.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,478,430.03 : 119,342,910.32 = 47,321,857.15 : x
  2. Step 2: Convert to fraction form
    86,478,430.03/119,342,910.32 = 47,321,857.15/x
  3. Step 3: Cross multiply
    86,478,430.03x = 119,342,910.32 × 47,321,857.15
  4. Step 4: Simplify right side
    86,478,430.03x = 5,647,528,154,028,300
  5. Step 5: Solve for x
    x = 5,647,528,154,028,300/86,478,430.03
  6. Step 6: Final answer
    x = 65,305,627.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.