Home / 340,078,765.20-510,118,147.80-167,891,881.20

Finding the Fourth Proportional to 340,078,765.20, 510,118,147.80 and 167,891,881.20

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Solution

The fourth proportional to 340,078,765.20, 510,118,147.80 and 167,891,881.20 is: 251,837,821.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,078,765.20 : 510,118,147.80 = 167,891,881.20 : x
  2. Step 2: Convert to fraction form
    340,078,765.20/510,118,147.80 = 167,891,881.20/x
  3. Step 3: Cross multiply
    340,078,765.20x = 510,118,147.80 × 167,891,881.20
  4. Step 4: Simplify right side
    340,078,765.20x = 85,644,695,468,401,632
  5. Step 5: Solve for x
    x = 85,644,695,468,401,632/340,078,765.20
  6. Step 6: Final answer
    x = 251,837,821.80

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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.