Home / 127,597,892.40-191,396,838.60-120,879,428.40

Finding the Fourth Proportional to 127,597,892.40, 191,396,838.60 and 120,879,428.40

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Solution

The fourth proportional to 127,597,892.40, 191,396,838.60 and 120,879,428.40 is: 181,319,142.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,597,892.40 : 191,396,838.60 = 120,879,428.40 : x
  2. Step 2: Convert to fraction form
    127,597,892.40/191,396,838.60 = 120,879,428.40/x
  3. Step 3: Cross multiply
    127,597,892.40x = 191,396,838.60 × 120,879,428.40
  4. Step 4: Simplify right side
    127,597,892.40x = 23,135,940,447,535,056
  5. Step 5: Solve for x
    x = 23,135,940,447,535,056/127,597,892.40
  6. Step 6: Final answer
    x = 181,319,142.60

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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.