Home / 39,211,253.09-54,111,230.04-21,569,775.77

Finding the Fourth Proportional to 39,211,253.09, 54,111,230.04 and 21,569,775.77

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Solution

The fourth proportional to 39,211,253.09, 54,111,230.04 and 21,569,775.77 is: 29,766,125.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,211,253.09 : 54,111,230.04 = 21,569,775.77 : x
  2. Step 2: Convert to fraction form
    39,211,253.09/54,111,230.04 = 21,569,775.77/x
  3. Step 3: Cross multiply
    39,211,253.09x = 54,111,230.04 × 21,569,775.77
  4. Step 4: Simplify right side
    39,211,253.09x = 1,167,167,098,601,688
  5. Step 5: Solve for x
    x = 1,167,167,098,601,688/39,211,253.09
  6. Step 6: Final answer
    x = 29,766,125.96

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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.