Home / 56,529,123.20-84,793,684.80-13,978,851.20

Finding the Fourth Proportional to 56,529,123.20, 84,793,684.80 and 13,978,851.20

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Solution

The fourth proportional to 56,529,123.20, 84,793,684.80 and 13,978,851.20 is: 20,968,276.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,529,123.20 : 84,793,684.80 = 13,978,851.20 : x
  2. Step 2: Convert to fraction form
    56,529,123.20/84,793,684.80 = 13,978,851.20/x
  3. Step 3: Cross multiply
    56,529,123.20x = 84,793,684.80 × 13,978,851.20
  4. Step 4: Simplify right side
    56,529,123.20x = 1,185,318,302,518,901.75
  5. Step 5: Solve for x
    x = 1,185,318,302,518,901.75/56,529,123.20
  6. Step 6: Final answer
    x = 20,968,276.80

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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.