Home / 54,051,347.61-81,090,847.19-15,712,861.72

Finding the Fourth Proportional to 54,051,347.61, 81,090,847.19 and 15,712,861.72

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Solution

The fourth proportional to 54,051,347.61, 81,090,847.19 and 15,712,861.72 is: 23,573,311.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,051,347.61 : 81,090,847.19 = 15,712,861.72 : x
  2. Step 2: Convert to fraction form
    54,051,347.61/81,090,847.19 = 15,712,861.72/x
  3. Step 3: Cross multiply
    54,051,347.61x = 81,090,847.19 × 15,712,861.72
  4. Step 4: Simplify right side
    54,051,347.61x = 1,274,169,268,654,120.50
  5. Step 5: Solve for x
    x = 1,274,169,268,654,120.50/54,051,347.61
  6. Step 6: Final answer
    x = 23,573,311.77

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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.