Home / 50,890,718.40-76,336,077.60-40,813,022.40

Finding the Fourth Proportional to 50,890,718.40, 76,336,077.60 and 40,813,022.40

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Solution

The fourth proportional to 50,890,718.40, 76,336,077.60 and 40,813,022.40 is: 61,219,533.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,890,718.40 : 76,336,077.60 = 40,813,022.40 : x
  2. Step 2: Convert to fraction form
    50,890,718.40/76,336,077.60 = 40,813,022.40/x
  3. Step 3: Cross multiply
    50,890,718.40x = 76,336,077.60 × 40,813,022.40
  4. Step 4: Simplify right side
    50,890,718.40x = 3,115,506,045,016,938
  5. Step 5: Solve for x
    x = 3,115,506,045,016,938/50,890,718.40
  6. Step 6: Final answer
    x = 61,219,533.60

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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.