Home / 147,615,234.30-221,422,851.45-70,919,768.70

Finding the Fourth Proportional to 147,615,234.30, 221,422,851.45 and 70,919,768.70

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Solution

The fourth proportional to 147,615,234.30, 221,422,851.45 and 70,919,768.70 is: 106,379,653.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,615,234.30 : 221,422,851.45 = 70,919,768.70 : x
  2. Step 2: Convert to fraction form
    147,615,234.30/221,422,851.45 = 70,919,768.70/x
  3. Step 3: Cross multiply
    147,615,234.30x = 221,422,851.45 × 70,919,768.70
  4. Step 4: Simplify right side
    147,615,234.30x = 15,703,257,409,728,460
  5. Step 5: Solve for x
    x = 15,703,257,409,728,460/147,615,234.30
  6. Step 6: Final answer
    x = 106,379,653.05

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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.