Home / 191,611,850.40-287,413,625.77-53,433,770.58

Finding the Fourth Proportional to 191,611,850.40, 287,413,625.77 and 53,433,770.58

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Solution

The fourth proportional to 191,611,850.40, 287,413,625.77 and 53,433,770.58 is: 80,149,498.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,611,850.40 : 287,413,625.77 = 53,433,770.58 : x
  2. Step 2: Convert to fraction form
    191,611,850.40/287,413,625.77 = 53,433,770.58/x
  3. Step 3: Cross multiply
    191,611,850.40x = 287,413,625.77 × 53,433,770.58
  4. Step 4: Simplify right side
    191,611,850.40x = 15,357,593,740,826,570
  5. Step 5: Solve for x
    x = 15,357,593,740,826,570/191,611,850.40
  6. Step 6: Final answer
    x = 80,149,498.63

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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.