Home / 49,926,812.80-74,890,219.20-40,856,886.40

Finding the Fourth Proportional to 49,926,812.80, 74,890,219.20 and 40,856,886.40

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Solution

The fourth proportional to 49,926,812.80, 74,890,219.20 and 40,856,886.40 is: 61,285,329.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,926,812.80 : 74,890,219.20 = 40,856,886.40 : x
  2. Step 2: Convert to fraction form
    49,926,812.80/74,890,219.20 = 40,856,886.40/x
  3. Step 3: Cross multiply
    49,926,812.80x = 74,890,219.20 × 40,856,886.40
  4. Step 4: Simplify right side
    49,926,812.80x = 3,059,781,178,325,499
  5. Step 5: Solve for x
    x = 3,059,781,178,325,499/49,926,812.80
  6. Step 6: Final answer
    x = 61,285,329.60

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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.