Home / 340,116,609.40-510,174,914.10-145,994,990.20

Finding the Fourth Proportional to 340,116,609.40, 510,174,914.10 and 145,994,990.20

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Solution

The fourth proportional to 340,116,609.40, 510,174,914.10 and 145,994,990.20 is: 218,992,485.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,116,609.40 : 510,174,914.10 = 145,994,990.20 : x
  2. Step 2: Convert to fraction form
    340,116,609.40/510,174,914.10 = 145,994,990.20/x
  3. Step 3: Cross multiply
    340,116,609.40x = 510,174,914.10 × 145,994,990.20
  4. Step 4: Simplify right side
    340,116,609.40x = 74,482,981,584,315,344
  5. Step 5: Solve for x
    x = 74,482,981,584,315,344/340,116,609.40
  6. Step 6: Final answer
    x = 218,992,485.30

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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.