Home / 121,618,747.56-167,831,797.32-65,863,714.92

Finding the Fourth Proportional to 121,618,747.56, 167,831,797.32 and 65,863,714.92

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Solution

The fourth proportional to 121,618,747.56, 167,831,797.32 and 65,863,714.92 is: 90,890,803.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,618,747.56 : 167,831,797.32 = 65,863,714.92 : x
  2. Step 2: Convert to fraction form
    121,618,747.56/167,831,797.32 = 65,863,714.92/x
  3. Step 3: Cross multiply
    121,618,747.56x = 167,831,797.32 × 65,863,714.92
  4. Step 4: Simplify right side
    121,618,747.56x = 11,054,025,653,195,700
  5. Step 5: Solve for x
    x = 11,054,025,653,195,700/121,618,747.56
  6. Step 6: Final answer
    x = 90,890,803.23

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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.