Home / 340,116,910.40-510,175,365.60-145,995,291.20

Finding the Fourth Proportional to 340,116,910.40, 510,175,365.60 and 145,995,291.20

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Solution

The fourth proportional to 340,116,910.40, 510,175,365.60 and 145,995,291.20 is: 218,992,936.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,116,910.40 : 510,175,365.60 = 145,995,291.20 : x
  2. Step 2: Convert to fraction form
    340,116,910.40/510,175,365.60 = 145,995,291.20/x
  3. Step 3: Cross multiply
    340,116,910.40x = 510,175,365.60 × 145,995,291.20
  4. Step 4: Simplify right side
    340,116,910.40x = 74,483,201,063,838,464
  5. Step 5: Solve for x
    x = 74,483,201,063,838,464/340,116,910.40
  6. Step 6: Final answer
    x = 218,992,936.80

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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.