Home / 96,996,857.80-145,495,286.70-39,459,512.20

Finding the Fourth Proportional to 96,996,857.80, 145,495,286.70 and 39,459,512.20

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Solution

The fourth proportional to 96,996,857.80, 145,495,286.70 and 39,459,512.20 is: 59,189,268.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,996,857.80 : 145,495,286.70 = 39,459,512.20 : x
  2. Step 2: Convert to fraction form
    96,996,857.80/145,495,286.70 = 39,459,512.20/x
  3. Step 3: Cross multiply
    96,996,857.80x = 145,495,286.70 × 39,459,512.20
  4. Step 4: Simplify right side
    96,996,857.80x = 5,741,173,040,581,148
  5. Step 5: Solve for x
    x = 5,741,173,040,581,148/96,996,857.80
  6. Step 6: Final answer
    x = 59,189,268.30

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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.