Home / 75,655,679.55-104,405,027.05-43,872,009.77

Finding the Fourth Proportional to 75,655,679.55, 104,405,027.05 and 43,872,009.77

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Solution

The fourth proportional to 75,655,679.55, 104,405,027.05 and 43,872,009.77 is: 60,543,483.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,655,679.55 : 104,405,027.05 = 43,872,009.77 : x
  2. Step 2: Convert to fraction form
    75,655,679.55/104,405,027.05 = 43,872,009.77/x
  3. Step 3: Cross multiply
    75,655,679.55x = 104,405,027.05 × 43,872,009.77
  4. Step 4: Simplify right side
    75,655,679.55x = 4,580,458,366,503,288
  5. Step 5: Solve for x
    x = 4,580,458,366,503,288/75,655,679.55
  6. Step 6: Final answer
    x = 60,543,483.23

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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.