Home / 112,268,779.10-168,403,168.65-54,797,918.30

Finding the Fourth Proportional to 112,268,779.10, 168,403,168.65 and 54,797,918.30

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Solution

The fourth proportional to 112,268,779.10, 168,403,168.65 and 54,797,918.30 is: 82,196,877.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,268,779.10 : 168,403,168.65 = 54,797,918.30 : x
  2. Step 2: Convert to fraction form
    112,268,779.10/168,403,168.65 = 54,797,918.30/x
  3. Step 3: Cross multiply
    112,268,779.10x = 168,403,168.65 × 54,797,918.30
  4. Step 4: Simplify right side
    112,268,779.10x = 9,228,143,077,143,822
  5. Step 5: Solve for x
    x = 9,228,143,077,143,822/112,268,779.10
  6. Step 6: Final answer
    x = 82,196,877.45

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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.