Home / 151,891,933.77-209,611,875.03-82,277,314.65

Finding the Fourth Proportional to 151,891,933.77, 209,611,875.03 and 82,277,314.65

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Solution

The fourth proportional to 151,891,933.77, 209,611,875.03 and 82,277,314.65 is: 113,543,239.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,891,933.77 : 209,611,875.03 = 82,277,314.65 : x
  2. Step 2: Convert to fraction form
    151,891,933.77/209,611,875.03 = 82,277,314.65/x
  3. Step 3: Cross multiply
    151,891,933.77x = 209,611,875.03 × 82,277,314.65
  4. Step 4: Simplify right side
    151,891,933.77x = 17,246,302,196,219,790
  5. Step 5: Solve for x
    x = 17,246,302,196,219,790/151,891,933.77
  6. Step 6: Final answer
    x = 113,543,239.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.