Home / 110,309,893.18-165,249,580.98-85,934,687.38

Finding the Fourth Proportional to 110,309,893.18, 165,249,580.98 and 85,934,687.38

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Solution

The fourth proportional to 110,309,893.18, 165,249,580.98 and 85,934,687.38 is: 128,734,338.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,309,893.18 : 165,249,580.98 = 85,934,687.38 : x
  2. Step 2: Convert to fraction form
    110,309,893.18/165,249,580.98 = 85,934,687.38/x
  3. Step 3: Cross multiply
    110,309,893.18x = 165,249,580.98 × 85,934,687.38
  4. Step 4: Simplify right side
    110,309,893.18x = 14,200,671,081,192,292
  5. Step 5: Solve for x
    x = 14,200,671,081,192,292/110,309,893.18
  6. Step 6: Final answer
    x = 128,734,338.07

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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.