Home / 50,833,278.32-70,178,731.10-38,889,621.11

Finding the Fourth Proportional to 50,833,278.32, 70,178,731.10 and 38,889,621.11

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Solution

The fourth proportional to 50,833,278.32, 70,178,731.10 and 38,889,621.11 is: 53,689,715.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,833,278.32 : 70,178,731.10 = 38,889,621.11 : x
  2. Step 2: Convert to fraction form
    50,833,278.32/70,178,731.10 = 38,889,621.11/x
  3. Step 3: Cross multiply
    50,833,278.32x = 70,178,731.10 × 38,889,621.11
  4. Step 4: Simplify right side
    50,833,278.32x = 2,729,224,261,914,231.50
  5. Step 5: Solve for x
    x = 2,729,224,261,914,231.50/50,833,278.32
  6. Step 6: Final answer
    x = 53,689,715.72

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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.