Home / 303,827,071.30-455,687,795.00-85,425,579.74

Finding the Fourth Proportional to 303,827,071.30, 455,687,795.00 and 85,425,579.74

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Solution

The fourth proportional to 303,827,071.30, 455,687,795.00 and 85,425,579.74 is: 128,123,520.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,827,071.30 : 455,687,795.00 = 85,425,579.74 : x
  2. Step 2: Convert to fraction form
    303,827,071.30/455,687,795.00 = 85,425,579.74/x
  3. Step 3: Cross multiply
    303,827,071.30x = 455,687,795.00 × 85,425,579.74
  4. Step 4: Simplify right side
    303,827,071.30x = 38,927,394,066,625,864
  5. Step 5: Solve for x
    x = 38,927,394,066,625,864/303,827,071.30
  6. Step 6: Final answer
    x = 128,123,520.73

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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.