Home / 53,120,779.31-79,704,345.69-18,601,956.33

Finding the Fourth Proportional to 53,120,779.31, 79,704,345.69 and 18,601,956.33

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Solution

The fourth proportional to 53,120,779.31, 79,704,345.69 and 18,601,956.33 is: 27,911,050.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,120,779.31 : 79,704,345.69 = 18,601,956.33 : x
  2. Step 2: Convert to fraction form
    53,120,779.31/79,704,345.69 = 18,601,956.33/x
  3. Step 3: Cross multiply
    53,120,779.31x = 79,704,345.69 × 18,601,956.33
  4. Step 4: Simplify right side
    53,120,779.31x = 1,482,656,757,836,603.50
  5. Step 5: Solve for x
    x = 1,482,656,757,836,603.50/53,120,779.31
  6. Step 6: Final answer
    x = 27,911,050.58

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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.