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Finding the Fourth Proportional to 301,322,803.52, 451,988,404.32 and 85,912,051.52

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Solution

The fourth proportional to 301,322,803.52, 451,988,404.32 and 85,912,051.52 is: 128,869,274.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,322,803.52 : 451,988,404.32 = 85,912,051.52 : x
  2. Step 2: Convert to fraction form
    301,322,803.52/451,988,404.32 = 85,912,051.52/x
  3. Step 3: Cross multiply
    301,322,803.52x = 451,988,404.32 × 85,912,051.52
  4. Step 4: Simplify right side
    301,322,803.52x = 38,831,251,078,382,432
  5. Step 5: Solve for x
    x = 38,831,251,078,382,432/301,322,803.52
  6. Step 6: Final answer
    x = 128,869,274.49

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.