Home / 118,368,027.40-177,552,041.10-85,867,457.80

Finding the Fourth Proportional to 118,368,027.40, 177,552,041.10 and 85,867,457.80

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Solution

The fourth proportional to 118,368,027.40, 177,552,041.10 and 85,867,457.80 is: 128,801,186.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,368,027.40 : 177,552,041.10 = 85,867,457.80 : x
  2. Step 2: Convert to fraction form
    118,368,027.40/177,552,041.10 = 85,867,457.80/x
  3. Step 3: Cross multiply
    118,368,027.40x = 177,552,041.10 × 85,867,457.80
  4. Step 4: Simplify right side
    118,368,027.40x = 15,245,942,396,458,114
  5. Step 5: Solve for x
    x = 15,245,942,396,458,114/118,368,027.40
  6. Step 6: Final answer
    x = 128,801,186.70

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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.