Home / 90,457,090.34-135,686,446.52-25,760,862.68

Finding the Fourth Proportional to 90,457,090.34, 135,686,446.52 and 25,760,862.68

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Solution

The fourth proportional to 90,457,090.34, 135,686,446.52 and 25,760,862.68 is: 38,641,524.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,457,090.34 : 135,686,446.52 = 25,760,862.68 : x
  2. Step 2: Convert to fraction form
    90,457,090.34/135,686,446.52 = 25,760,862.68/x
  3. Step 3: Cross multiply
    90,457,090.34x = 135,686,446.52 × 25,760,862.68
  4. Step 4: Simplify right side
    90,457,090.34x = 3,495,399,915,531,647
  5. Step 5: Solve for x
    x = 3,495,399,915,531,647/90,457,090.34
  6. Step 6: Final answer
    x = 38,641,524.98

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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.