Home / 138,741,702.02-191,448,101.46-76,846,540.22

Finding the Fourth Proportional to 138,741,702.02, 191,448,101.46 and 76,846,540.22

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Solution

The fourth proportional to 138,741,702.02, 191,448,101.46 and 76,846,540.22 is: 106,039,669.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,741,702.02 : 191,448,101.46 = 76,846,540.22 : x
  2. Step 2: Convert to fraction form
    138,741,702.02/191,448,101.46 = 76,846,540.22/x
  3. Step 3: Cross multiply
    138,741,702.02x = 191,448,101.46 × 76,846,540.22
  4. Step 4: Simplify right side
    138,741,702.02x = 14,712,124,228,504,748
  5. Step 5: Solve for x
    x = 14,712,124,228,504,748/138,741,702.02
  6. Step 6: Final answer
    x = 106,039,669.50

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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.