Home / 285,046,500.80-427,569,751.20-141,719,268.80

Finding the Fourth Proportional to 285,046,500.80, 427,569,751.20 and 141,719,268.80

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Solution

The fourth proportional to 285,046,500.80, 427,569,751.20 and 141,719,268.80 is: 212,578,903.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,046,500.80 : 427,569,751.20 = 141,719,268.80 : x
  2. Step 2: Convert to fraction form
    285,046,500.80/427,569,751.20 = 141,719,268.80/x
  3. Step 3: Cross multiply
    285,046,500.80x = 427,569,751.20 × 141,719,268.80
  4. Step 4: Simplify right side
    285,046,500.80x = 60,594,872,501,061,928
  5. Step 5: Solve for x
    x = 60,594,872,501,061,928/285,046,500.80
  6. Step 6: Final answer
    x = 212,578,903.20

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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.