Home / 345,019,679.01-517,691,130.56-170,047,329.12

Finding the Fourth Proportional to 345,019,679.01, 517,691,130.56 and 170,047,329.12

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Solution

The fourth proportional to 345,019,679.01, 517,691,130.56 and 170,047,329.12 is: 255,150,646.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,019,679.01 : 517,691,130.56 = 170,047,329.12 : x
  2. Step 2: Convert to fraction form
    345,019,679.01/517,691,130.56 = 170,047,329.12/x
  3. Step 3: Cross multiply
    345,019,679.01x = 517,691,130.56 × 170,047,329.12
  4. Step 4: Simplify right side
    345,019,679.01x = 88,031,994,059,990,976
  5. Step 5: Solve for x
    x = 88,031,994,059,990,976/345,019,679.01
  6. Step 6: Final answer
    x = 255,150,646.23

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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.