Home / 104,217,723,371.73-155,624,781,288.51-85,111,237,486.97

Finding the Fourth Proportional to 104,217,723,371.73, 155,624,781,288.51 and 85,111,237,486.97

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Solution

The fourth proportional to 104,217,723,371.73, 155,624,781,288.51 and 85,111,237,486.97 is: 127,093,715,834.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,217,723,371.73 : 155,624,781,288.51 = 85,111,237,486.97 : x
  2. Step 2: Convert to fraction form
    104,217,723,371.73/155,624,781,288.51 = 85,111,237,486.97/x
  3. Step 3: Cross multiply
    104,217,723,371.73x = 155,624,781,288.51 × 85,111,237,486.97
  4. Step 4: Simplify right side
    104,217,723,371.73x = 13,245,417,719,103,829,835,776
  5. Step 5: Solve for x
    x = 13,245,417,719,103,829,835,776/104,217,723,371.73
  6. Step 6: Final answer
    x = 127,093,715,834.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.