Home / 86,936,081.52-119,974,669.56-47,779,245.84

Finding the Fourth Proportional to 86,936,081.52, 119,974,669.56 and 47,779,245.84

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Solution

The fourth proportional to 86,936,081.52, 119,974,669.56 and 47,779,245.84 is: 65,936,940.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,936,081.52 : 119,974,669.56 = 47,779,245.84 : x
  2. Step 2: Convert to fraction form
    86,936,081.52/119,974,669.56 = 47,779,245.84/x
  3. Step 3: Cross multiply
    86,936,081.52x = 119,974,669.56 × 47,779,245.84
  4. Step 4: Simplify right side
    86,936,081.52x = 5,732,299,231,480,005
  5. Step 5: Solve for x
    x = 5,732,299,231,480,005/86,936,081.52
  6. Step 6: Final answer
    x = 65,936,940.47

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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.