Home / 115,160,516.64-158,921,520.48-62,949,759.12

Finding the Fourth Proportional to 115,160,516.64, 158,921,520.48 and 62,949,759.12

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Solution

The fourth proportional to 115,160,516.64, 158,921,520.48 and 62,949,759.12 is: 86,870,671.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,160,516.64 : 158,921,520.48 = 62,949,759.12 : x
  2. Step 2: Convert to fraction form
    115,160,516.64/158,921,520.48 = 62,949,759.12/x
  3. Step 3: Cross multiply
    115,160,516.64x = 158,921,520.48 × 62,949,759.12
  4. Step 4: Simplify right side
    115,160,516.64x = 10,004,071,433,200,146
  5. Step 5: Solve for x
    x = 10,004,071,433,200,146/115,160,516.64
  6. Step 6: Final answer
    x = 86,870,671.69

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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.