Home / 47,951,902.04-66,129,467.70-31,426,005.82

Finding the Fourth Proportional to 47,951,902.04, 66,129,467.70 and 31,426,005.82

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Solution

The fourth proportional to 47,951,902.04, 66,129,467.70 and 31,426,005.82 is: 43,338,949.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,951,902.04 : 66,129,467.70 = 31,426,005.82 : x
  2. Step 2: Convert to fraction form
    47,951,902.04/66,129,467.70 = 31,426,005.82/x
  3. Step 3: Cross multiply
    47,951,902.04x = 66,129,467.70 × 31,426,005.82
  4. Step 4: Simplify right side
    47,951,902.04x = 2,078,185,036,813,702.25
  5. Step 5: Solve for x
    x = 2,078,185,036,813,702.25/47,951,902.04
  6. Step 6: Final answer
    x = 43,338,949.00

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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.