Home / 54,280,877.60-81,393,322.80-20,184,672.80

Finding the Fourth Proportional to 54,280,877.60, 81,393,322.80 and 20,184,672.80

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Solution

The fourth proportional to 54,280,877.60, 81,393,322.80 and 20,184,672.80 is: 30,266,599.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,280,877.60 : 81,393,322.80 = 20,184,672.80 : x
  2. Step 2: Convert to fraction form
    54,280,877.60/81,393,322.80 = 20,184,672.80/x
  3. Step 3: Cross multiply
    54,280,877.60x = 81,393,322.80 × 20,184,672.80
  4. Step 4: Simplify right side
    54,280,877.60x = 1,642,897,588,822,779.75
  5. Step 5: Solve for x
    x = 1,642,897,588,822,779.75/54,280,877.60
  6. Step 6: Final answer
    x = 30,266,599.61

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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.