Home / 39,064,253.76-53,908,577.46-21,660,151.50

Finding the Fourth Proportional to 39,064,253.76, 53,908,577.46 and 21,660,151.50

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Solution

The fourth proportional to 39,064,253.76, 53,908,577.46 and 21,660,151.50 is: 29,890,957.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,064,253.76 : 53,908,577.46 = 21,660,151.50 : x
  2. Step 2: Convert to fraction form
    39,064,253.76/53,908,577.46 = 21,660,151.50/x
  3. Step 3: Cross multiply
    39,064,253.76x = 53,908,577.46 × 21,660,151.50
  4. Step 4: Simplify right side
    39,064,253.76x = 1,167,667,954,933,085.25
  5. Step 5: Solve for x
    x = 1,167,667,954,933,085.25/39,064,253.76
  6. Step 6: Final answer
    x = 29,890,957.65

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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.