Home / 164,986,620.68-227,677,875.36-89,631,001.64

Finding the Fourth Proportional to 164,986,620.68, 227,677,875.36 and 89,631,001.64

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Solution

The fourth proportional to 164,986,620.68, 227,677,875.36 and 89,631,001.64 is: 123,688,793.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,986,620.68 : 227,677,875.36 = 89,631,001.64 : x
  2. Step 2: Convert to fraction form
    164,986,620.68/227,677,875.36 = 89,631,001.64/x
  3. Step 3: Cross multiply
    164,986,620.68x = 227,677,875.36 × 89,631,001.64
  4. Step 4: Simplify right side
    164,986,620.68x = 20,406,996,019,783,876
  5. Step 5: Solve for x
    x = 20,406,996,019,783,876/164,986,620.68
  6. Step 6: Final answer
    x = 123,688,793.28

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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.