Home / 117,251,815.66-175,879,199.64-30,989,460.72

Finding the Fourth Proportional to 117,251,815.66, 175,879,199.64 and 30,989,460.72

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Solution

The fourth proportional to 117,251,815.66, 175,879,199.64 and 30,989,460.72 is: 46,484,581.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,251,815.66 : 175,879,199.64 = 30,989,460.72 : x
  2. Step 2: Convert to fraction form
    117,251,815.66/175,879,199.64 = 30,989,460.72/x
  3. Step 3: Cross multiply
    117,251,815.66x = 175,879,199.64 × 30,989,460.72
  4. Step 4: Simplify right side
    117,251,815.66x = 5,450,401,548,708,817
  5. Step 5: Solve for x
    x = 5,450,401,548,708,817/117,251,815.66
  6. Step 6: Final answer
    x = 46,484,581.22

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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.