Home / 84,240,702.21-116,256,659.73-47,071,884.78

Finding the Fourth Proportional to 84,240,702.21, 116,256,659.73 and 47,071,884.78

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Solution

The fourth proportional to 84,240,702.21, 116,256,659.73 and 47,071,884.78 is: 64,961,710.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,240,702.21 : 116,256,659.73 = 47,071,884.78 : x
  2. Step 2: Convert to fraction form
    84,240,702.21/116,256,659.73 = 47,071,884.78/x
  3. Step 3: Cross multiply
    84,240,702.21x = 116,256,659.73 × 47,071,884.78
  4. Step 4: Simplify right side
    84,240,702.21x = 5,472,420,091,718,226
  5. Step 5: Solve for x
    x = 5,472,420,091,718,226/84,240,702.21
  6. Step 6: Final answer
    x = 64,961,710.29

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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.