Home / 56,687,869.18-78,224,269.08-31,568,080.74

Finding the Fourth Proportional to 56,687,869.18, 78,224,269.08 and 31,568,080.74

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Solution

The fourth proportional to 56,687,869.18, 78,224,269.08 and 31,568,080.74 is: 43,561,172.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,687,869.18 : 78,224,269.08 = 31,568,080.74 : x
  2. Step 2: Convert to fraction form
    56,687,869.18/78,224,269.08 = 31,568,080.74/x
  3. Step 3: Cross multiply
    56,687,869.18x = 78,224,269.08 × 31,568,080.74
  4. Step 4: Simplify right side
    56,687,869.18x = 2,469,390,042,144,925.50
  5. Step 5: Solve for x
    x = 2,469,390,042,144,925.50/56,687,869.18
  6. Step 6: Final answer
    x = 43,561,172.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.