Home / 98,680,377.56-136,179,997.62-54,628,111.40

Finding the Fourth Proportional to 98,680,377.56, 136,179,997.62 and 54,628,111.40

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Solution

The fourth proportional to 98,680,377.56, 136,179,997.62 and 54,628,111.40 is: 75,387,389.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,680,377.56 : 136,179,997.62 = 54,628,111.40 : x
  2. Step 2: Convert to fraction form
    98,680,377.56/136,179,997.62 = 54,628,111.40/x
  3. Step 3: Cross multiply
    98,680,377.56x = 136,179,997.62 × 54,628,111.40
  4. Step 4: Simplify right side
    98,680,377.56x = 7,439,256,080,437,095
  5. Step 5: Solve for x
    x = 7,439,256,080,437,095/98,680,377.56
  6. Step 6: Final answer
    x = 75,387,389.72

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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.