Home / 340,110,940.40-510,166,410.60-145,989,321.20

Finding the Fourth Proportional to 340,110,940.40, 510,166,410.60 and 145,989,321.20

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Solution

The fourth proportional to 340,110,940.40, 510,166,410.60 and 145,989,321.20 is: 218,983,981.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,110,940.40 : 510,166,410.60 = 145,989,321.20 : x
  2. Step 2: Convert to fraction form
    340,110,940.40/510,166,410.60 = 145,989,321.20/x
  3. Step 3: Cross multiply
    340,110,940.40x = 510,166,410.60 × 145,989,321.20
  4. Step 4: Simplify right side
    340,110,940.40x = 74,478,847,982,534,480
  5. Step 5: Solve for x
    x = 74,478,847,982,534,480/340,110,940.40
  6. Step 6: Final answer
    x = 218,983,981.80

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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.