Home / 98,015,510.78-135,161,146.96-64,964,283.74

Finding the Fourth Proportional to 98,015,510.78, 135,161,146.96 and 64,964,283.74

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Solution

The fourth proportional to 98,015,510.78, 135,161,146.96 and 64,964,283.74 is: 89,584,261.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,015,510.78 : 135,161,146.96 = 64,964,283.74 : x
  2. Step 2: Convert to fraction form
    98,015,510.78/135,161,146.96 = 64,964,283.74/x
  3. Step 3: Cross multiply
    98,015,510.78x = 135,161,146.96 × 64,964,283.74
  4. Step 4: Simplify right side
    98,015,510.78x = 8,780,647,100,895,063
  5. Step 5: Solve for x
    x = 8,780,647,100,895,063/98,015,510.78
  6. Step 6: Final answer
    x = 89,584,261.02

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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.