Home / 74,667,467.40-112,001,201.10-20,814,779.40

Finding the Fourth Proportional to 74,667,467.40, 112,001,201.10 and 20,814,779.40

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Solution

The fourth proportional to 74,667,467.40, 112,001,201.10 and 20,814,779.40 is: 31,222,169.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,667,467.40 : 112,001,201.10 = 20,814,779.40 : x
  2. Step 2: Convert to fraction form
    74,667,467.40/112,001,201.10 = 20,814,779.40/x
  3. Step 3: Cross multiply
    74,667,467.40x = 112,001,201.10 × 20,814,779.40
  4. Step 4: Simplify right side
    74,667,467.40x = 2,331,280,293,431,537
  5. Step 5: Solve for x
    x = 2,331,280,293,431,537/74,667,467.40
  6. Step 6: Final answer
    x = 31,222,169.10

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1.5x scale

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.