Home / 85,793,566.78-128,582,641.10-46,400,250.09

Finding the Fourth Proportional to 85,793,566.78, 128,582,641.10 and 46,400,250.09

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Solution

The fourth proportional to 85,793,566.78, 128,582,641.10 and 46,400,250.09 is: 69,542,122.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,793,566.78 : 128,582,641.10 = 46,400,250.09 : x
  2. Step 2: Convert to fraction form
    85,793,566.78/128,582,641.10 = 46,400,250.09/x
  3. Step 3: Cross multiply
    85,793,566.78x = 128,582,641.10 × 46,400,250.09
  4. Step 4: Simplify right side
    85,793,566.78x = 5,966,266,704,272,713
  5. Step 5: Solve for x
    x = 5,966,266,704,272,713/85,793,566.78
  6. Step 6: Final answer
    x = 69,542,122.19

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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.