Home / 117,686,151.36-162,408,382.92-64,768,951.80

Finding the Fourth Proportional to 117,686,151.36, 162,408,382.92 and 64,768,951.80

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Solution

The fourth proportional to 117,686,151.36, 162,408,382.92 and 64,768,951.80 is: 89,381,975.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,686,151.36 : 162,408,382.92 = 64,768,951.80 : x
  2. Step 2: Convert to fraction form
    117,686,151.36/162,408,382.92 = 64,768,951.80/x
  3. Step 3: Cross multiply
    117,686,151.36x = 162,408,382.92 × 64,768,951.80
  4. Step 4: Simplify right side
    117,686,151.36x = 10,519,020,725,261,422
  5. Step 5: Solve for x
    x = 10,519,020,725,261,422/117,686,151.36
  6. Step 6: Final answer
    x = 89,381,975.74

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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.