Home / 104,980,442.40-157,470,663.60-90,619,725.60

Finding the Fourth Proportional to 104,980,442.40, 157,470,663.60 and 90,619,725.60

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Solution

The fourth proportional to 104,980,442.40, 157,470,663.60 and 90,619,725.60 is: 135,929,588.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,980,442.40 : 157,470,663.60 = 90,619,725.60 : x
  2. Step 2: Convert to fraction form
    104,980,442.40/157,470,663.60 = 90,619,725.60/x
  3. Step 3: Cross multiply
    104,980,442.40x = 157,470,663.60 × 90,619,725.60
  4. Step 4: Simplify right side
    104,980,442.40x = 14,269,948,325,481,906
  5. Step 5: Solve for x
    x = 14,269,948,325,481,906/104,980,442.40
  6. Step 6: Final answer
    x = 135,929,588.40

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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.