Home / 81,859,472,913.70-122,835,125,872.95-34,687,919,448.10

Finding the Fourth Proportional to 81,859,472,913.70, 122,835,125,872.95 and 34,687,919,448.10

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Solution

The fourth proportional to 81,859,472,913.70, 122,835,125,872.95 and 34,687,919,448.10 is: 52,051,336,271.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,859,472,913.70 : 122,835,125,872.95 = 34,687,919,448.10 : x
  2. Step 2: Convert to fraction form
    81,859,472,913.70/122,835,125,872.95 = 34,687,919,448.10/x
  3. Step 3: Cross multiply
    81,859,472,913.70x = 122,835,125,872.95 × 34,687,919,448.10
  4. Step 4: Simplify right side
    81,859,472,913.70x = 4,260,894,951,678,113,480,704
  5. Step 5: Solve for x
    x = 4,260,894,951,678,113,480,704/81,859,472,913.70
  6. Step 6: Final answer
    x = 52,051,336,271.98

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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.