Home / 135,615,364.56-187,146,998.28-73,737,261.36

Finding the Fourth Proportional to 135,615,364.56, 187,146,998.28 and 73,737,261.36

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Solution

The fourth proportional to 135,615,364.56, 187,146,998.28 and 73,737,261.36 is: 101,756,221.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,615,364.56 : 187,146,998.28 = 73,737,261.36 : x
  2. Step 2: Convert to fraction form
    135,615,364.56/187,146,998.28 = 73,737,261.36/x
  3. Step 3: Cross multiply
    135,615,364.56x = 187,146,998.28 × 73,737,261.36
  4. Step 4: Simplify right side
    135,615,364.56x = 13,799,707,124,911,830
  5. Step 5: Solve for x
    x = 13,799,707,124,911,830/135,615,364.56
  6. Step 6: Final answer
    x = 101,756,221.87

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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.