Home / 144,238,916.67-199,027,689.87-81,492,119.75

Finding the Fourth Proportional to 144,238,916.67, 199,027,689.87 and 81,492,119.75

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Solution

The fourth proportional to 144,238,916.67, 199,027,689.87 and 81,492,119.75 is: 112,446,687.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,238,916.67 : 199,027,689.87 = 81,492,119.75 : x
  2. Step 2: Convert to fraction form
    144,238,916.67/199,027,689.87 = 81,492,119.75/x
  3. Step 3: Cross multiply
    144,238,916.67x = 199,027,689.87 × 81,492,119.75
  4. Step 4: Simplify right side
    144,238,916.67x = 16,219,188,337,255,066
  5. Step 5: Solve for x
    x = 16,219,188,337,255,066/144,238,916.67
  6. Step 6: Final answer
    x = 112,446,687.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.