Home / 191,983,524.29-287,988,056.06-67,471,093.98

Finding the Fourth Proportional to 191,983,524.29, 287,988,056.06 and 67,471,093.98

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Solution

The fourth proportional to 191,983,524.29, 287,988,056.06 and 67,471,093.98 is: 101,211,128.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,983,524.29 : 287,988,056.06 = 67,471,093.98 : x
  2. Step 2: Convert to fraction form
    191,983,524.29/287,988,056.06 = 67,471,093.98/x
  3. Step 3: Cross multiply
    191,983,524.29x = 287,988,056.06 × 67,471,093.98
  4. Step 4: Simplify right side
    191,983,524.29x = 19,430,869,195,204,416
  5. Step 5: Solve for x
    x = 19,430,869,195,204,416/191,983,524.29
  6. Step 6: Final answer
    x = 101,211,128.75

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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.