Home / 85,332,371.09-127,949,666.51-26,229,359.79

Finding the Fourth Proportional to 85,332,371.09, 127,949,666.51 and 26,229,359.79

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Solution

The fourth proportional to 85,332,371.09, 127,949,666.51 and 26,229,359.79 is: 39,329,011.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,332,371.09 : 127,949,666.51 = 26,229,359.79 : x
  2. Step 2: Convert to fraction form
    85,332,371.09/127,949,666.51 = 26,229,359.79/x
  3. Step 3: Cross multiply
    85,332,371.09x = 127,949,666.51 × 26,229,359.79
  4. Step 4: Simplify right side
    85,332,371.09x = 3,356,037,837,130,408.50
  5. Step 5: Solve for x
    x = 3,356,037,837,130,408.50/85,332,371.09
  6. Step 6: Final answer
    x = 39,329,011.89

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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.