Home / 127,903,458.40-191,855,187.60-89,608,213.60

Finding the Fourth Proportional to 127,903,458.40, 191,855,187.60 and 89,608,213.60

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Solution

The fourth proportional to 127,903,458.40, 191,855,187.60 and 89,608,213.60 is: 134,412,320.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,903,458.40 : 191,855,187.60 = 89,608,213.60 : x
  2. Step 2: Convert to fraction form
    127,903,458.40/191,855,187.60 = 89,608,213.60/x
  3. Step 3: Cross multiply
    127,903,458.40x = 191,855,187.60 × 89,608,213.60
  4. Step 4: Simplify right side
    127,903,458.40x = 17,191,800,630,728,870
  5. Step 5: Solve for x
    x = 17,191,800,630,728,870/127,903,458.40
  6. Step 6: Final answer
    x = 134,412,320.40

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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.