Home / 117,958,742.10-176,937,960.87-31,697,149.86

Finding the Fourth Proportional to 117,958,742.10, 176,937,960.87 and 31,697,149.86

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Solution

The fourth proportional to 117,958,742.10, 176,937,960.87 and 31,697,149.86 is: 47,545,683.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,958,742.10 : 176,937,960.87 = 31,697,149.86 : x
  2. Step 2: Convert to fraction form
    117,958,742.10/176,937,960.87 = 31,697,149.86/x
  3. Step 3: Cross multiply
    117,958,742.10x = 176,937,960.87 × 31,697,149.86
  4. Step 4: Simplify right side
    117,958,742.10x = 5,608,429,061,619,206
  5. Step 5: Solve for x
    x = 5,608,429,061,619,206/117,958,742.10
  6. Step 6: Final answer
    x = 47,545,683.87

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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.