Home / 178,687,615.60-268,031,423.40-117,465,612.40

Finding the Fourth Proportional to 178,687,615.60, 268,031,423.40 and 117,465,612.40

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Solution

The fourth proportional to 178,687,615.60, 268,031,423.40 and 117,465,612.40 is: 176,198,418.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,687,615.60 : 268,031,423.40 = 117,465,612.40 : x
  2. Step 2: Convert to fraction form
    178,687,615.60/268,031,423.40 = 117,465,612.40/x
  3. Step 3: Cross multiply
    178,687,615.60x = 268,031,423.40 × 117,465,612.40
  4. Step 4: Simplify right side
    178,687,615.60x = 31,484,475,292,124,692
  5. Step 5: Solve for x
    x = 31,484,475,292,124,692/178,687,615.60
  6. Step 6: Final answer
    x = 176,198,418.60

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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.