Home / 70,410,076.32-105,613,465.76-18,598,294.96

Finding the Fourth Proportional to 70,410,076.32, 105,613,465.76 and 18,598,294.96

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Solution

The fourth proportional to 70,410,076.32, 105,613,465.76 and 18,598,294.96 is: 27,897,006.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,410,076.32 : 105,613,465.76 = 18,598,294.96 : x
  2. Step 2: Convert to fraction form
    70,410,076.32/105,613,465.76 = 18,598,294.96/x
  3. Step 3: Cross multiply
    70,410,076.32x = 105,613,465.76 × 18,598,294.96
  4. Step 4: Simplify right side
    70,410,076.32x = 1,964,230,387,952,340.75
  5. Step 5: Solve for x
    x = 1,964,230,387,952,340.75/70,410,076.32
  6. Step 6: Final answer
    x = 27,897,006.94

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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.