Home / 82,294,971.47-113,457,197.49-65,377,383.77

Finding the Fourth Proportional to 82,294,971.47, 113,457,197.49 and 65,377,383.77

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Solution

The fourth proportional to 82,294,971.47, 113,457,197.49 and 65,377,383.77 is: 90,133,511.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,294,971.47 : 113,457,197.49 = 65,377,383.77 : x
  2. Step 2: Convert to fraction form
    82,294,971.47/113,457,197.49 = 65,377,383.77/x
  3. Step 3: Cross multiply
    82,294,971.47x = 113,457,197.49 × 65,377,383.77
  4. Step 4: Simplify right side
    82,294,971.47x = 7,417,534,741,810,889
  5. Step 5: Solve for x
    x = 7,417,534,741,810,889/82,294,971.47
  6. Step 6: Final answer
    x = 90,133,511.31

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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.