Home / 354,578,689.80-531,444,884.18-165,029,741.94

Finding the Fourth Proportional to 354,578,689.80, 531,444,884.18 and 165,029,741.94

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Solution

The fourth proportional to 354,578,689.80, 531,444,884.18 and 165,029,741.94 is: 247,347,668.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,578,689.80 : 531,444,884.18 = 165,029,741.94 : x
  2. Step 2: Convert to fraction form
    354,578,689.80/531,444,884.18 = 165,029,741.94/x
  3. Step 3: Cross multiply
    354,578,689.80x = 531,444,884.18 × 165,029,741.94
  4. Step 4: Simplify right side
    354,578,689.80x = 87,704,212,091,558,592
  5. Step 5: Solve for x
    x = 87,704,212,091,558,592/354,578,689.80
  6. Step 6: Final answer
    x = 247,347,668.13

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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.