Home / 51,931,181.80-77,896,772.70-49,719,687.40

Finding the Fourth Proportional to 51,931,181.80, 77,896,772.70 and 49,719,687.40

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Solution

The fourth proportional to 51,931,181.80, 77,896,772.70 and 49,719,687.40 is: 74,579,531.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,931,181.80 : 77,896,772.70 = 49,719,687.40 : x
  2. Step 2: Convert to fraction form
    51,931,181.80/77,896,772.70 = 49,719,687.40/x
  3. Step 3: Cross multiply
    51,931,181.80x = 77,896,772.70 × 49,719,687.40
  4. Step 4: Simplify right side
    51,931,181.80x = 3,873,003,188,112,854
  5. Step 5: Solve for x
    x = 3,873,003,188,112,854/51,931,181.80
  6. Step 6: Final answer
    x = 74,579,531.10

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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.