Home / 82,651,779.92-123,973,568.58-30,832,345.28

Finding the Fourth Proportional to 82,651,779.92, 123,973,568.58 and 30,832,345.28

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Solution

The fourth proportional to 82,651,779.92, 123,973,568.58 and 30,832,345.28 is: 46,246,987.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,651,779.92 : 123,973,568.58 = 30,832,345.28 : x
  2. Step 2: Convert to fraction form
    82,651,779.92/123,973,568.58 = 30,832,345.28/x
  3. Step 3: Cross multiply
    82,651,779.92x = 123,973,568.58 × 30,832,345.28
  4. Step 4: Simplify right side
    82,651,779.92x = 3,822,395,872,052,319.50
  5. Step 5: Solve for x
    x = 3,822,395,872,052,319.50/82,651,779.92
  6. Step 6: Final answer
    x = 46,246,987.97

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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.