Home / 212,826,742.78-293,700,775.13-115,041,598.78

Finding the Fourth Proportional to 212,826,742.78, 293,700,775.13 and 115,041,598.78

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Solution

The fourth proportional to 212,826,742.78, 293,700,775.13 and 115,041,598.78 is: 158,757,336.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,826,742.78 : 293,700,775.13 = 115,041,598.78 : x
  2. Step 2: Convert to fraction form
    212,826,742.78/293,700,775.13 = 115,041,598.78/x
  3. Step 3: Cross multiply
    212,826,742.78x = 293,700,775.13 × 115,041,598.78
  4. Step 4: Simplify right side
    212,826,742.78x = 33,787,806,733,880,464
  5. Step 5: Solve for x
    x = 33,787,806,733,880,464/212,826,742.78
  6. Step 6: Final answer
    x = 158,757,336.10

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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.