Home / 98,196,847.12-147,289,930.12-30,039,538.84

Finding the Fourth Proportional to 98,196,847.12, 147,289,930.12 and 30,039,538.84

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Solution

The fourth proportional to 98,196,847.12, 147,289,930.12 and 30,039,538.84 is: 45,057,674.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,196,847.12 : 147,289,930.12 = 30,039,538.84 : x
  2. Step 2: Convert to fraction form
    98,196,847.12/147,289,930.12 = 30,039,538.84/x
  3. Step 3: Cross multiply
    98,196,847.12x = 147,289,930.12 × 30,039,538.84
  4. Step 4: Simplify right side
    98,196,847.12x = 4,424,521,576,580,626
  5. Step 5: Solve for x
    x = 4,424,521,576,580,626/98,196,847.12
  6. Step 6: Final answer
    x = 45,057,674.52

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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.