Home / 111,487,923.60-167,231,885.40-102,878,579.40

Finding the Fourth Proportional to 111,487,923.60, 167,231,885.40 and 102,878,579.40

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Solution

The fourth proportional to 111,487,923.60, 167,231,885.40 and 102,878,579.40 is: 154,317,869.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,487,923.60 : 167,231,885.40 = 102,878,579.40 : x
  2. Step 2: Convert to fraction form
    111,487,923.60/167,231,885.40 = 102,878,579.40/x
  3. Step 3: Cross multiply
    111,487,923.60x = 167,231,885.40 × 102,878,579.40
  4. Step 4: Simplify right side
    111,487,923.60x = 17,204,578,800,335,602
  5. Step 5: Solve for x
    x = 17,204,578,800,335,602/111,487,923.60
  6. Step 6: Final answer
    x = 154,317,869.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.