Home / 52,431,883.79-78,670,505.39-28,142,435.19

Finding the Fourth Proportional to 52,431,883.79, 78,670,505.39 and 28,142,435.19

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Solution

The fourth proportional to 52,431,883.79, 78,670,505.39 and 28,142,435.19 is: 42,225,825.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,431,883.79 : 78,670,505.39 = 28,142,435.19 : x
  2. Step 2: Convert to fraction form
    52,431,883.79/78,670,505.39 = 28,142,435.19/x
  3. Step 3: Cross multiply
    52,431,883.79x = 78,670,505.39 × 28,142,435.19
  4. Step 4: Simplify right side
    52,431,883.79x = 2,213,979,599,161,908.75
  5. Step 5: Solve for x
    x = 2,213,979,599,161,908.75/52,431,883.79
  6. Step 6: Final answer
    x = 42,225,825.95

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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.