Home / 215,386,917,018.70-323,086,957,424.88-73,894,353,938.68

Finding the Fourth Proportional to 215,386,917,018.70, 323,086,957,424.88 and 73,894,353,938.68

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Solution

The fourth proportional to 215,386,917,018.70, 323,086,957,424.88 and 73,894,353,938.68 is: 110,843,789,007.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,386,917,018.70 : 323,086,957,424.88 = 73,894,353,938.68 : x
  2. Step 2: Convert to fraction form
    215,386,917,018.70/323,086,957,424.88 = 73,894,353,938.68/x
  3. Step 3: Cross multiply
    215,386,917,018.70x = 323,086,957,424.88 × 73,894,353,938.68
  4. Step 4: Simplify right side
    215,386,917,018.70x = 23,874,301,984,926,611,800,064
  5. Step 5: Solve for x
    x = 23,874,301,984,926,611,800,064/215,386,917,018.70
  6. Step 6: Final answer
    x = 110,843,789,007.18

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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.