Home / 49,889,429.80-74,890,131.90-38,580,015.40

Finding the Fourth Proportional to 49,889,429.80, 74,890,131.90 and 38,580,015.40

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Solution

The fourth proportional to 49,889,429.80, 74,890,131.90 and 38,580,015.40 is: 57,913,318.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,889,429.80 : 74,890,131.90 = 38,580,015.40 : x
  2. Step 2: Convert to fraction form
    49,889,429.80/74,890,131.90 = 38,580,015.40/x
  3. Step 3: Cross multiply
    49,889,429.80x = 74,890,131.90 × 38,580,015.40
  4. Step 4: Simplify right side
    49,889,429.80x = 2,889,262,442,010,031.50
  5. Step 5: Solve for x
    x = 2,889,262,442,010,031.50/49,889,429.80
  6. Step 6: Final answer
    x = 57,913,318.58

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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.