Home / 106,372,346.28-159,231,263.34-69,404,635.86

Finding the Fourth Proportional to 106,372,346.28, 159,231,263.34 and 69,404,635.86

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Solution

The fourth proportional to 106,372,346.28, 159,231,263.34 and 69,404,635.86 is: 103,893,429.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,372,346.28 : 159,231,263.34 = 69,404,635.86 : x
  2. Step 2: Convert to fraction form
    106,372,346.28/159,231,263.34 = 69,404,635.86/x
  3. Step 3: Cross multiply
    106,372,346.28x = 159,231,263.34 × 69,404,635.86
  4. Step 4: Simplify right side
    106,372,346.28x = 11,051,387,849,640,468
  5. Step 5: Solve for x
    x = 11,051,387,849,640,468/106,372,346.28
  6. Step 6: Final answer
    x = 103,893,429.41

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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.