Home / 98,431,509.14-147,627,221.79-36,161,421.32

Finding the Fourth Proportional to 98,431,509.14, 147,627,221.79 and 36,161,421.32

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Solution

The fourth proportional to 98,431,509.14, 147,627,221.79 and 36,161,421.32 is: 54,234,769.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,431,509.14 : 147,627,221.79 = 36,161,421.32 : x
  2. Step 2: Convert to fraction form
    98,431,509.14/147,627,221.79 = 36,161,421.32/x
  3. Step 3: Cross multiply
    98,431,509.14x = 147,627,221.79 × 36,161,421.32
  4. Step 4: Simplify right side
    98,431,509.14x = 5,338,410,164,711,138
  5. Step 5: Solve for x
    x = 5,338,410,164,711,138/98,431,509.14
  6. Step 6: Final answer
    x = 54,234,769.05

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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.