Home / 200,393,307.84-300,158,071.20-135,339,388.32

Finding the Fourth Proportional to 200,393,307.84, 300,158,071.20 and 135,339,388.32

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Solution

The fourth proportional to 200,393,307.84, 300,158,071.20 and 135,339,388.32 is: 202,717,397.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,393,307.84 : 300,158,071.20 = 135,339,388.32 : x
  2. Step 2: Convert to fraction form
    200,393,307.84/300,158,071.20 = 135,339,388.32/x
  3. Step 3: Cross multiply
    200,393,307.84x = 300,158,071.20 × 135,339,388.32
  4. Step 4: Simplify right side
    200,393,307.84x = 40,623,209,755,519,008
  5. Step 5: Solve for x
    x = 40,623,209,755,519,008/200,393,307.84
  6. Step 6: Final answer
    x = 202,717,397.07

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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.