Home / 186,018,727.20-279,028,090.80-121,395,501.60

Finding the Fourth Proportional to 186,018,727.20, 279,028,090.80 and 121,395,501.60

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Solution

The fourth proportional to 186,018,727.20, 279,028,090.80 and 121,395,501.60 is: 182,093,252.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,018,727.20 : 279,028,090.80 = 121,395,501.60 : x
  2. Step 2: Convert to fraction form
    186,018,727.20/279,028,090.80 = 121,395,501.60/x
  3. Step 3: Cross multiply
    186,018,727.20x = 279,028,090.80 × 121,395,501.60
  4. Step 4: Simplify right side
    186,018,727.20x = 33,872,755,043,156,344
  5. Step 5: Solve for x
    x = 33,872,755,043,156,344/186,018,727.20
  6. Step 6: Final answer
    x = 182,093,252.40

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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.