Home / 215,895,606-323,843,146.56-70,328,929.76

Finding the Fourth Proportional to 215,895,606, 323,843,146.56 and 70,328,929.76

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Solution

The fourth proportional to 215,895,606, 323,843,146.56 and 70,328,929.76 is: 105,493,309.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,895,606 : 323,843,146.56 = 70,328,929.76 : x
  2. Step 2: Convert to fraction form
    215,895,606/323,843,146.56 = 70,328,929.76/x
  3. Step 3: Cross multiply
    215,895,606x = 323,843,146.56 × 70,328,929.76
  4. Step 4: Simplify right side
    215,895,606x = 22,775,541,907,675,628
  5. Step 5: Solve for x
    x = 22,775,541,907,675,628/215,895,606
  6. Step 6: Final answer
    x = 105,493,309.15

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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.