Home / 117,686,113.92-162,408,331.15-64,768,914.32

Finding the Fourth Proportional to 117,686,113.92, 162,408,331.15 and 64,768,914.32

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Solution

The fourth proportional to 117,686,113.92, 162,408,331.15 and 64,768,914.32 is: 89,381,923.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,686,113.92 : 162,408,331.15 = 64,768,914.32 : x
  2. Step 2: Convert to fraction form
    117,686,113.92/162,408,331.15 = 64,768,914.32/x
  3. Step 3: Cross multiply
    117,686,113.92x = 162,408,331.15 × 64,768,914.32
  4. Step 4: Simplify right side
    117,686,113.92x = 10,519,011,284,134,574
  5. Step 5: Solve for x
    x = 10,519,011,284,134,574/117,686,113.92
  6. Step 6: Final answer
    x = 89,381,923.95

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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.