Home / 63,189,920.40-94,784,880.60-54,686,864.40

Finding the Fourth Proportional to 63,189,920.40, 94,784,880.60 and 54,686,864.40

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Solution

The fourth proportional to 63,189,920.40, 94,784,880.60 and 54,686,864.40 is: 82,030,296.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,189,920.40 : 94,784,880.60 = 54,686,864.40 : x
  2. Step 2: Convert to fraction form
    63,189,920.40/94,784,880.60 = 54,686,864.40/x
  3. Step 3: Cross multiply
    63,189,920.40x = 94,784,880.60 × 54,686,864.40
  4. Step 4: Simplify right side
    63,189,920.40x = 5,183,487,912,542,390
  5. Step 5: Solve for x
    x = 5,183,487,912,542,390/63,189,920.40
  6. Step 6: Final answer
    x = 82,030,296.60

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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.