Home / 98,870,471.40-148,473,668.70-73,340,308.20

Finding the Fourth Proportional to 98,870,471.40, 148,473,668.70 and 73,340,308.20

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Solution

The fourth proportional to 98,870,471.40, 148,473,668.70 and 73,340,308.20 is: 110,135,053.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,870,471.40 : 148,473,668.70 = 73,340,308.20 : x
  2. Step 2: Convert to fraction form
    98,870,471.40/148,473,668.70 = 73,340,308.20/x
  3. Step 3: Cross multiply
    98,870,471.40x = 148,473,668.70 × 73,340,308.20
  4. Step 4: Simplify right side
    98,870,471.40x = 10,889,104,622,042,692
  5. Step 5: Solve for x
    x = 10,889,104,622,042,692/98,870,471.40
  6. Step 6: Final answer
    x = 110,135,053.14

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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.