Home / 147,743,997.60-221,615,996.40-79,719,549.60

Finding the Fourth Proportional to 147,743,997.60, 221,615,996.40 and 79,719,549.60

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Solution

The fourth proportional to 147,743,997.60, 221,615,996.40 and 79,719,549.60 is: 119,579,324.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,743,997.60 : 221,615,996.40 = 79,719,549.60 : x
  2. Step 2: Convert to fraction form
    147,743,997.60/221,615,996.40 = 79,719,549.60/x
  3. Step 3: Cross multiply
    147,743,997.60x = 221,615,996.40 × 79,719,549.60
  4. Step 4: Simplify right side
    147,743,997.60x = 17,667,127,417,163,220
  5. Step 5: Solve for x
    x = 17,667,127,417,163,220/147,743,997.60
  6. Step 6: Final answer
    x = 119,579,324.40

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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.