Home / 56,145,200.40-84,217,800.60-47,925,579.60

Finding the Fourth Proportional to 56,145,200.40, 84,217,800.60 and 47,925,579.60

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Solution

The fourth proportional to 56,145,200.40, 84,217,800.60 and 47,925,579.60 is: 71,888,369.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,145,200.40 : 84,217,800.60 = 47,925,579.60 : x
  2. Step 2: Convert to fraction form
    56,145,200.40/84,217,800.60 = 47,925,579.60/x
  3. Step 3: Cross multiply
    56,145,200.40x = 84,217,800.60 × 47,925,579.60
  4. Step 4: Simplify right side
    56,145,200.40x = 4,036,186,906,392,227.50
  5. Step 5: Solve for x
    x = 4,036,186,906,392,227.50/56,145,200.40
  6. Step 6: Final answer
    x = 71,888,369.40

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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.