Home / 153,954,094.41-231,007,015.94-72,078,516.81

Finding the Fourth Proportional to 153,954,094.41, 231,007,015.94 and 72,078,516.81

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Solution

The fourth proportional to 153,954,094.41, 231,007,015.94 and 72,078,516.81 is: 108,153,298.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,954,094.41 : 231,007,015.94 = 72,078,516.81 : x
  2. Step 2: Convert to fraction form
    153,954,094.41/231,007,015.94 = 72,078,516.81/x
  3. Step 3: Cross multiply
    153,954,094.41x = 231,007,015.94 × 72,078,516.81
  4. Step 4: Simplify right side
    153,954,094.41x = 16,650,643,081,298,836
  5. Step 5: Solve for x
    x = 16,650,643,081,298,836/153,954,094.41
  6. Step 6: Final answer
    x = 108,153,298.20

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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.