Home / 127,793,350.40-191,494,967.68-75,875,716.72

Finding the Fourth Proportional to 127,793,350.40, 191,494,967.68 and 75,875,716.72

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Solution

The fourth proportional to 127,793,350.40, 191,494,967.68 and 75,875,716.72 is: 113,697,761.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,793,350.40 : 191,494,967.68 = 75,875,716.72 : x
  2. Step 2: Convert to fraction form
    127,793,350.40/191,494,967.68 = 75,875,716.72/x
  3. Step 3: Cross multiply
    127,793,350.40x = 191,494,967.68 × 75,875,716.72
  4. Step 4: Simplify right side
    127,793,350.40x = 14,529,817,920,993,236
  5. Step 5: Solve for x
    x = 14,529,817,920,993,236/127,793,350.40
  6. Step 6: Final answer
    x = 113,697,761.86

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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.