Home / 135,158,993.40-186,523,083.56-76,430,444.76

Finding the Fourth Proportional to 135,158,993.40, 186,523,083.56 and 76,430,444.76

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Solution

The fourth proportional to 135,158,993.40, 186,523,083.56 and 76,430,444.76 is: 105,476,090.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,158,993.40 : 186,523,083.56 = 76,430,444.76 : x
  2. Step 2: Convert to fraction form
    135,158,993.40/186,523,083.56 = 76,430,444.76/x
  3. Step 3: Cross multiply
    135,158,993.40x = 186,523,083.56 × 76,430,444.76
  4. Step 4: Simplify right side
    135,158,993.40x = 14,256,042,234,497,446
  5. Step 5: Solve for x
    x = 14,256,042,234,497,446/135,158,993.40
  6. Step 6: Final answer
    x = 105,476,090.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.