Home / 86,193,670.71-118,949,777.55-47,037,969.54

Finding the Fourth Proportional to 86,193,670.71, 118,949,777.55 and 47,037,969.54

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Solution

The fourth proportional to 86,193,670.71, 118,949,777.55 and 47,037,969.54 is: 64,913,768.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,193,670.71 : 118,949,777.55 = 47,037,969.54 : x
  2. Step 2: Convert to fraction form
    86,193,670.71/118,949,777.55 = 47,037,969.54/x
  3. Step 3: Cross multiply
    86,193,670.71x = 118,949,777.55 × 47,037,969.54
  4. Step 4: Simplify right side
    86,193,670.71x = 5,595,156,013,186,676
  5. Step 5: Solve for x
    x = 5,595,156,013,186,676/86,193,670.71
  6. Step 6: Final answer
    x = 64,913,768.81

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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.