Home / 340,110,629.40-510,165,944.10-145,989,010.20

Finding the Fourth Proportional to 340,110,629.40, 510,165,944.10 and 145,989,010.20

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Solution

The fourth proportional to 340,110,629.40, 510,165,944.10 and 145,989,010.20 is: 218,983,515.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,110,629.40 : 510,165,944.10 = 145,989,010.20 : x
  2. Step 2: Convert to fraction form
    340,110,629.40/510,165,944.10 = 145,989,010.20/x
  3. Step 3: Cross multiply
    340,110,629.40x = 510,165,944.10 × 145,989,010.20
  4. Step 4: Simplify right side
    340,110,629.40x = 74,478,621,216,907,520
  5. Step 5: Solve for x
    x = 74,478,621,216,907,520/340,110,629.40
  6. Step 6: Final answer
    x = 218,983,515.30

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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.