Home / 86,193,682.88-118,949,794.38-47,037,981.76

Finding the Fourth Proportional to 86,193,682.88, 118,949,794.38 and 47,037,981.76

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Solution

The fourth proportional to 86,193,682.88, 118,949,794.38 and 47,037,981.76 is: 64,913,785.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,193,682.88 : 118,949,794.38 = 47,037,981.76 : x
  2. Step 2: Convert to fraction form
    86,193,682.88/118,949,794.38 = 47,037,981.76/x
  3. Step 3: Cross multiply
    86,193,682.88x = 118,949,794.38 × 47,037,981.76
  4. Step 4: Simplify right side
    86,193,682.88x = 5,595,158,258,104,816
  5. Step 5: Solve for x
    x = 5,595,158,258,104,816/86,193,682.88
  6. Step 6: Final answer
    x = 64,913,785.69

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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.