Home / 178,687,629.60-268,031,444.40-117,465,626.40

Finding the Fourth Proportional to 178,687,629.60, 268,031,444.40 and 117,465,626.40

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Solution

The fourth proportional to 178,687,629.60, 268,031,444.40 and 117,465,626.40 is: 176,198,439.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,687,629.60 : 268,031,444.40 = 117,465,626.40 : x
  2. Step 2: Convert to fraction form
    178,687,629.60/268,031,444.40 = 117,465,626.40/x
  3. Step 3: Cross multiply
    178,687,629.60x = 268,031,444.40 × 117,465,626.40
  4. Step 4: Simplify right side
    178,687,629.60x = 31,484,481,511,342,776
  5. Step 5: Solve for x
    x = 31,484,481,511,342,776/178,687,629.60
  6. Step 6: Final answer
    x = 176,198,439.60

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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.