Home / 106,171,231,853.87-146,551,216,447.90-84,509,109,566.38

Finding the Fourth Proportional to 106,171,231,853.87, 146,551,216,447.90 and 84,509,109,566.38

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Solution

The fourth proportional to 106,171,231,853.87, 146,551,216,447.90 and 84,509,109,566.38 is: 116,650,363,677.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,171,231,853.87 : 146,551,216,447.90 = 84,509,109,566.38 : x
  2. Step 2: Convert to fraction form
    106,171,231,853.87/146,551,216,447.90 = 84,509,109,566.38/x
  3. Step 3: Cross multiply
    106,171,231,853.87x = 146,551,216,447.90 × 84,509,109,566.38
  4. Step 4: Simplify right side
    106,171,231,853.87x = 12,384,912,807,881,852,583,936
  5. Step 5: Solve for x
    x = 12,384,912,807,881,852,583,936/106,171,231,853.87
  6. Step 6: Final answer
    x = 116,650,363,677.87

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1.5x scale

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.