Home / 144,994,733.20-217,492,099.80-139,420,896.40

Finding the Fourth Proportional to 144,994,733.20, 217,492,099.80 and 139,420,896.40

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Solution

The fourth proportional to 144,994,733.20, 217,492,099.80 and 139,420,896.40 is: 209,131,344.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,994,733.20 : 217,492,099.80 = 139,420,896.40 : x
  2. Step 2: Convert to fraction form
    144,994,733.20/217,492,099.80 = 139,420,896.40/x
  3. Step 3: Cross multiply
    144,994,733.20x = 217,492,099.80 × 139,420,896.40
  4. Step 4: Simplify right side
    144,994,733.20x = 30,322,943,514,034,264
  5. Step 5: Solve for x
    x = 30,322,943,514,034,264/144,994,733.20
  6. Step 6: Final answer
    x = 209,131,344.60

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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.