Home / 86,321,976.96-119,122,938-47,162,913.60

Finding the Fourth Proportional to 86,321,976.96, 119,122,938 and 47,162,913.60

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Solution

The fourth proportional to 86,321,976.96, 119,122,938 and 47,162,913.60 is: 65,084,061.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,321,976.96 : 119,122,938 = 47,162,913.60 : x
  2. Step 2: Convert to fraction form
    86,321,976.96/119,122,938 = 47,162,913.60/x
  3. Step 3: Cross multiply
    86,321,976.96x = 119,122,938 × 47,162,913.60
  4. Step 4: Simplify right side
    86,321,976.96x = 5,618,184,832,672,157
  5. Step 5: Solve for x
    x = 5,618,184,832,672,157/86,321,976.96
  6. Step 6: Final answer
    x = 65,084,061.22

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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.