Home / 412,985,131.21-619,498,281.27-117,924,013.49

Finding the Fourth Proportional to 412,985,131.21, 619,498,281.27 and 117,924,013.49

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Solution

The fourth proportional to 412,985,131.21, 619,498,281.27 and 117,924,013.49 is: 176,891,897.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,985,131.21 : 619,498,281.27 = 117,924,013.49 : x
  2. Step 2: Convert to fraction form
    412,985,131.21/619,498,281.27 = 117,924,013.49/x
  3. Step 3: Cross multiply
    412,985,131.21x = 619,498,281.27 × 117,924,013.49
  4. Step 4: Simplify right side
    412,985,131.21x = 73,053,723,675,966,544
  5. Step 5: Solve for x
    x = 73,053,723,675,966,544/412,985,131.21
  6. Step 6: Final answer
    x = 176,891,897.93

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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.