Home / 306,435,813.84-459,650,691.61-140,392,220.02

Finding the Fourth Proportional to 306,435,813.84, 459,650,691.61 and 140,392,220.02

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Solution

The fourth proportional to 306,435,813.84, 459,650,691.61 and 140,392,220.02 is: 210,586,942.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,435,813.84 : 459,650,691.61 = 140,392,220.02 : x
  2. Step 2: Convert to fraction form
    306,435,813.84/459,650,691.61 = 140,392,220.02/x
  3. Step 3: Cross multiply
    306,435,813.84x = 459,650,691.61 × 140,392,220.02
  4. Step 4: Simplify right side
    306,435,813.84x = 64,531,381,027,356,192
  5. Step 5: Solve for x
    x = 64,531,381,027,356,192/306,435,813.84
  6. Step 6: Final answer
    x = 210,586,942.23

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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.