Home / 212,826,742.28-293,700,774.44-115,041,598.28

Finding the Fourth Proportional to 212,826,742.28, 293,700,774.44 and 115,041,598.28

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Solution

The fourth proportional to 212,826,742.28, 293,700,774.44 and 115,041,598.28 is: 158,757,335.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,826,742.28 : 293,700,774.44 = 115,041,598.28 : x
  2. Step 2: Convert to fraction form
    212,826,742.28/293,700,774.44 = 115,041,598.28/x
  3. Step 3: Cross multiply
    212,826,742.28x = 293,700,774.44 × 115,041,598.28
  4. Step 4: Simplify right side
    212,826,742.28x = 33,787,806,507,651,372
  5. Step 5: Solve for x
    x = 33,787,806,507,651,372/212,826,742.28
  6. Step 6: Final answer
    x = 158,757,335.41

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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.