Home / 78,576,283.32-108,436,394.46-45,091,219.20

Finding the Fourth Proportional to 78,576,283.32, 108,436,394.46 and 45,091,219.20

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Solution

The fourth proportional to 78,576,283.32, 108,436,394.46 and 45,091,219.20 is: 62,226,527.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,576,283.32 : 108,436,394.46 = 45,091,219.20 : x
  2. Step 2: Convert to fraction form
    78,576,283.32/108,436,394.46 = 45,091,219.20/x
  3. Step 3: Cross multiply
    78,576,283.32x = 108,436,394.46 × 45,091,219.20
  4. Step 4: Simplify right side
    78,576,283.32x = 4,889,529,231,853,526
  5. Step 5: Solve for x
    x = 4,889,529,231,853,526/78,576,283.32
  6. Step 6: Final answer
    x = 62,226,527.21

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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.