Home / 340,110,932.40-510,166,398.60-145,989,313.20

Finding the Fourth Proportional to 340,110,932.40, 510,166,398.60 and 145,989,313.20

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Solution

The fourth proportional to 340,110,932.40, 510,166,398.60 and 145,989,313.20 is: 218,983,969.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,110,932.40 : 510,166,398.60 = 145,989,313.20 : x
  2. Step 2: Convert to fraction form
    340,110,932.40/510,166,398.60 = 145,989,313.20/x
  3. Step 3: Cross multiply
    340,110,932.40x = 510,166,398.60 × 145,989,313.20
  4. Step 4: Simplify right side
    340,110,932.40x = 74,478,842,149,331,440
  5. Step 5: Solve for x
    x = 74,478,842,149,331,440/340,110,932.40
  6. Step 6: Final answer
    x = 218,983,969.80

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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.