Home / 104,980,443.40-157,470,665.10-90,619,726.60

Finding the Fourth Proportional to 104,980,443.40, 157,470,665.10 and 90,619,726.60

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Solution

The fourth proportional to 104,980,443.40, 157,470,665.10 and 90,619,726.60 is: 135,929,589.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,980,443.40 : 157,470,665.10 = 90,619,726.60 : x
  2. Step 2: Convert to fraction form
    104,980,443.40/157,470,665.10 = 90,619,726.60/x
  3. Step 3: Cross multiply
    104,980,443.40x = 157,470,665.10 × 90,619,726.60
  4. Step 4: Simplify right side
    104,980,443.40x = 14,269,948,618,882,160
  5. Step 5: Solve for x
    x = 14,269,948,618,882,160/104,980,443.40
  6. Step 6: Final answer
    x = 135,929,589.90

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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.