Home / 49,889,432.80-74,890,136.40-38,580,018.40

Finding the Fourth Proportional to 49,889,432.80, 74,890,136.40 and 38,580,018.40

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Solution

The fourth proportional to 49,889,432.80, 74,890,136.40 and 38,580,018.40 is: 57,913,323.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,889,432.80 : 74,890,136.40 = 38,580,018.40 : x
  2. Step 2: Convert to fraction form
    49,889,432.80/74,890,136.40 = 38,580,018.40/x
  3. Step 3: Cross multiply
    49,889,432.80x = 74,890,136.40 × 38,580,018.40
  4. Step 4: Simplify right side
    49,889,432.80x = 2,889,262,840,290,510
  5. Step 5: Solve for x
    x = 2,889,262,840,290,510/49,889,432.80
  6. Step 6: Final answer
    x = 57,913,323.09

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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.