Home / 82,004,531.40-123,148,514.70-43,740,779.40

Finding the Fourth Proportional to 82,004,531.40, 123,148,514.70 and 43,740,779.40

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Solution

The fourth proportional to 82,004,531.40, 123,148,514.70 and 43,740,779.40 is: 65,686,760.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,004,531.40 : 123,148,514.70 = 43,740,779.40 : x
  2. Step 2: Convert to fraction form
    82,004,531.40/123,148,514.70 = 43,740,779.40/x
  3. Step 3: Cross multiply
    82,004,531.40x = 123,148,514.70 × 43,740,779.40
  4. Step 4: Simplify right side
    82,004,531.40x = 5,386,612,014,930,357
  5. Step 5: Solve for x
    x = 5,386,612,014,930,357/82,004,531.40
  6. Step 6: Final answer
    x = 65,686,760.51

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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.