Home / 200,519,177.04-300,717,534.96-138,668,072.40

Finding the Fourth Proportional to 200,519,177.04, 300,717,534.96 and 138,668,072.40

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Solution

The fourth proportional to 200,519,177.04, 300,717,534.96 and 138,668,072.40 is: 207,959,764.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,519,177.04 : 300,717,534.96 = 138,668,072.40 : x
  2. Step 2: Convert to fraction form
    200,519,177.04/300,717,534.96 = 138,668,072.40/x
  3. Step 3: Cross multiply
    200,519,177.04x = 300,717,534.96 × 138,668,072.40
  4. Step 4: Simplify right side
    200,519,177.04x = 41,699,920,909,782,808
  5. Step 5: Solve for x
    x = 41,699,920,909,782,808/200,519,177.04
  6. Step 6: Final answer
    x = 207,959,764.87

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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.