Home / 54,128,516.60-81,192,774.90-36,909,828.20

Finding the Fourth Proportional to 54,128,516.60, 81,192,774.90 and 36,909,828.20

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Solution

The fourth proportional to 54,128,516.60, 81,192,774.90 and 36,909,828.20 is: 55,364,742.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,128,516.60 : 81,192,774.90 = 36,909,828.20 : x
  2. Step 2: Convert to fraction form
    54,128,516.60/81,192,774.90 = 36,909,828.20/x
  3. Step 3: Cross multiply
    54,128,516.60x = 81,192,774.90 × 36,909,828.20
  4. Step 4: Simplify right side
    54,128,516.60x = 2,996,811,372,640,272.50
  5. Step 5: Solve for x
    x = 2,996,811,372,640,272.50/54,128,516.60
  6. Step 6: Final answer
    x = 55,364,742.30

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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.