Home / 98,470,453.92-147,573,651.60-76,637,197.38

Finding the Fourth Proportional to 98,470,453.92, 147,573,651.60 and 76,637,197.38

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Solution

The fourth proportional to 98,470,453.92, 147,573,651.60 and 76,637,197.38 is: 114,853,040.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,470,453.92 : 147,573,651.60 = 76,637,197.38 : x
  2. Step 2: Convert to fraction form
    98,470,453.92/147,573,651.60 = 76,637,197.38/x
  3. Step 3: Cross multiply
    98,470,453.92x = 147,573,651.60 × 76,637,197.38
  4. Step 4: Simplify right side
    98,470,453.92x = 11,309,631,065,756,552
  5. Step 5: Solve for x
    x = 11,309,631,065,756,552/98,470,453.92
  6. Step 6: Final answer
    x = 114,853,040.84

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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.