Home / 147,560,663.60-221,340,995.40-86,338,660.40

Finding the Fourth Proportional to 147,560,663.60, 221,340,995.40 and 86,338,660.40

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Solution

The fourth proportional to 147,560,663.60, 221,340,995.40 and 86,338,660.40 is: 129,507,990.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,560,663.60 : 221,340,995.40 = 86,338,660.40 : x
  2. Step 2: Convert to fraction form
    147,560,663.60/221,340,995.40 = 86,338,660.40/x
  3. Step 3: Cross multiply
    147,560,663.60x = 221,340,995.40 × 86,338,660.40
  4. Step 4: Simplify right side
    147,560,663.60x = 19,110,285,034,438,564
  5. Step 5: Solve for x
    x = 19,110,285,034,438,564/147,560,663.60
  6. Step 6: Final answer
    x = 129,507,990.60

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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.