Home / 80,824,807.80-121,237,211.70-48,576,180.60

Finding the Fourth Proportional to 80,824,807.80, 121,237,211.70 and 48,576,180.60

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Solution

The fourth proportional to 80,824,807.80, 121,237,211.70 and 48,576,180.60 is: 72,864,270.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,824,807.80 : 121,237,211.70 = 48,576,180.60 : x
  2. Step 2: Convert to fraction form
    80,824,807.80/121,237,211.70 = 48,576,180.60/x
  3. Step 3: Cross multiply
    80,824,807.80x = 121,237,211.70 × 48,576,180.60
  4. Step 4: Simplify right side
    80,824,807.80x = 5,889,240,690,979,633
  5. Step 5: Solve for x
    x = 5,889,240,690,979,633/80,824,807.80
  6. Step 6: Final answer
    x = 72,864,270.90

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1.5x scale

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.