Home / 89,211,274.31-133,813,966.89-36,687,128.06

Finding the Fourth Proportional to 89,211,274.31, 133,813,966.89 and 36,687,128.06

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Solution

The fourth proportional to 89,211,274.31, 133,813,966.89 and 36,687,128.06 is: 55,029,481.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,211,274.31 : 133,813,966.89 = 36,687,128.06 : x
  2. Step 2: Convert to fraction form
    89,211,274.31/133,813,966.89 = 36,687,128.06/x
  3. Step 3: Cross multiply
    89,211,274.31x = 133,813,966.89 × 36,687,128.06
  4. Step 4: Simplify right side
    89,211,274.31x = 4,909,250,138,840,960
  5. Step 5: Solve for x
    x = 4,909,250,138,840,960/89,211,274.31
  6. Step 6: Final answer
    x = 55,029,481.16

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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.