Home / 117,928,110.96-176,849,865-45,165,348.72

Finding the Fourth Proportional to 117,928,110.96, 176,849,865 and 45,165,348.72

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Solution

The fourth proportional to 117,928,110.96, 176,849,865 and 45,165,348.72 is: 67,731,822.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,928,110.96 : 176,849,865 = 45,165,348.72 : x
  2. Step 2: Convert to fraction form
    117,928,110.96/176,849,865 = 45,165,348.72/x
  3. Step 3: Cross multiply
    117,928,110.96x = 176,849,865 × 45,165,348.72
  4. Step 4: Simplify right side
    117,928,110.96x = 7,987,485,823,809,923
  5. Step 5: Solve for x
    x = 7,987,485,823,809,923/117,928,110.96
  6. Step 6: Final answer
    x = 67,731,822.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.