Home / 98,470,491.45-147,573,707.97-76,637,234.87

Finding the Fourth Proportional to 98,470,491.45, 147,573,707.97 and 76,637,234.87

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Solution

The fourth proportional to 98,470,491.45, 147,573,707.97 and 76,637,234.87 is: 114,853,097.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,470,491.45 : 147,573,707.97 = 76,637,234.87 : x
  2. Step 2: Convert to fraction form
    98,470,491.45/147,573,707.97 = 76,637,234.87/x
  3. Step 3: Cross multiply
    98,470,491.45x = 147,573,707.97 × 76,637,234.87
  4. Step 4: Simplify right side
    98,470,491.45x = 11,309,640,917,595,812
  5. Step 5: Solve for x
    x = 11,309,640,917,595,812/98,470,491.45
  6. Step 6: Final answer
    x = 114,853,097.12

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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.