Home / 133,097,485.80-199,646,228.70-127,995,652.20

Finding the Fourth Proportional to 133,097,485.80, 199,646,228.70 and 127,995,652.20

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Solution

The fourth proportional to 133,097,485.80, 199,646,228.70 and 127,995,652.20 is: 191,993,478.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,097,485.80 : 199,646,228.70 = 127,995,652.20 : x
  2. Step 2: Convert to fraction form
    133,097,485.80/199,646,228.70 = 127,995,652.20/x
  3. Step 3: Cross multiply
    133,097,485.80x = 199,646,228.70 × 127,995,652.20
  4. Step 4: Simplify right side
    133,097,485.80x = 25,553,849,251,726,856
  5. Step 5: Solve for x
    x = 25,553,849,251,726,856/133,097,485.80
  6. Step 6: Final answer
    x = 191,993,478.30

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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.