Home / 155,143,356.32-214,099,481.59-85,531,228.33

Finding the Fourth Proportional to 155,143,356.32, 214,099,481.59 and 85,531,228.33

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Solution

The fourth proportional to 155,143,356.32, 214,099,481.59 and 85,531,228.33 is: 118,034,004.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,143,356.32 : 214,099,481.59 = 85,531,228.33 : x
  2. Step 2: Convert to fraction form
    155,143,356.32/214,099,481.59 = 85,531,228.33/x
  3. Step 3: Cross multiply
    155,143,356.32x = 214,099,481.59 × 85,531,228.33
  4. Step 4: Simplify right side
    155,143,356.32x = 18,312,191,644,459,844
  5. Step 5: Solve for x
    x = 18,312,191,644,459,844/155,143,356.32
  6. Step 6: Final answer
    x = 118,034,004.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.