Home / 56,005,769.60-83,909,121.60-48,043,145.60

Finding the Fourth Proportional to 56,005,769.60, 83,909,121.60 and 48,043,145.60

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Solution

The fourth proportional to 56,005,769.60, 83,909,121.60 and 48,043,145.60 is: 71,979,336.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,005,769.60 : 83,909,121.60 = 48,043,145.60 : x
  2. Step 2: Convert to fraction form
    56,005,769.60/83,909,121.60 = 48,043,145.60/x
  3. Step 3: Cross multiply
    56,005,769.60x = 83,909,121.60 × 48,043,145.60
  4. Step 4: Simplify right side
    56,005,769.60x = 4,031,258,146,196,905
  5. Step 5: Solve for x
    x = 4,031,258,146,196,905/56,005,769.60
  6. Step 6: Final answer
    x = 71,979,336.68

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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.