Home / 106,372,341.30-159,231,255.75-69,404,630.70

Finding the Fourth Proportional to 106,372,341.30, 159,231,255.75 and 69,404,630.70

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Solution

The fourth proportional to 106,372,341.30, 159,231,255.75 and 69,404,630.70 is: 103,893,421.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,372,341.30 : 159,231,255.75 = 69,404,630.70 : x
  2. Step 2: Convert to fraction form
    106,372,341.30/159,231,255.75 = 69,404,630.70/x
  3. Step 3: Cross multiply
    106,372,341.30x = 159,231,255.75 × 69,404,630.70
  4. Step 4: Simplify right side
    106,372,341.30x = 11,051,386,501,226,002
  5. Step 5: Solve for x
    x = 11,051,386,501,226,002/106,372,341.30
  6. Step 6: Final answer
    x = 103,893,421.60

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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.