Home / 140,657,943.18-194,046,129.93-84,872,247.90

Finding the Fourth Proportional to 140,657,943.18, 194,046,129.93 and 84,872,247.90

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Solution

The fourth proportional to 140,657,943.18, 194,046,129.93 and 84,872,247.90 is: 117,086,393.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,657,943.18 : 194,046,129.93 = 84,872,247.90 : x
  2. Step 2: Convert to fraction form
    140,657,943.18/194,046,129.93 = 84,872,247.90/x
  3. Step 3: Cross multiply
    140,657,943.18x = 194,046,129.93 × 84,872,247.90
  4. Step 4: Simplify right side
    140,657,943.18x = 16,469,131,243,454,572
  5. Step 5: Solve for x
    x = 16,469,131,243,454,572/140,657,943.18
  6. Step 6: Final answer
    x = 117,086,393.21

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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.