Home / 158,976,929.60-238,171,461.60-90,616,558.40

Finding the Fourth Proportional to 158,976,929.60, 238,171,461.60 and 90,616,558.40

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Solution

The fourth proportional to 158,976,929.60, 238,171,461.60 and 90,616,558.40 is: 135,757,296.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,976,929.60 : 238,171,461.60 = 90,616,558.40 : x
  2. Step 2: Convert to fraction form
    158,976,929.60/238,171,461.60 = 90,616,558.40/x
  3. Step 3: Cross multiply
    158,976,929.60x = 238,171,461.60 × 90,616,558.40
  4. Step 4: Simplify right side
    158,976,929.60x = 21,582,278,159,289,760
  5. Step 5: Solve for x
    x = 21,582,278,159,289,760/158,976,929.60
  6. Step 6: Final answer
    x = 135,757,296.44

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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.