Home / 54,252,830.80-81,379,246.20-20,167,123.60

Finding the Fourth Proportional to 54,252,830.80, 81,379,246.20 and 20,167,123.60

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Solution

The fourth proportional to 54,252,830.80, 81,379,246.20 and 20,167,123.60 is: 30,250,685.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,252,830.80 : 81,379,246.20 = 20,167,123.60 : x
  2. Step 2: Convert to fraction form
    54,252,830.80/81,379,246.20 = 20,167,123.60/x
  3. Step 3: Cross multiply
    54,252,830.80x = 81,379,246.20 × 20,167,123.60
  4. Step 4: Simplify right side
    54,252,830.80x = 1,641,185,316,590,230.50
  5. Step 5: Solve for x
    x = 1,641,185,316,590,230.50/54,252,830.80
  6. Step 6: Final answer
    x = 30,250,685.40

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1.5x scale

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.