Home / 79,921,856.88-110,292,161.12-43,252,427.88

Finding the Fourth Proportional to 79,921,856.88, 110,292,161.12 and 43,252,427.88

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Solution

The fourth proportional to 79,921,856.88, 110,292,161.12 and 43,252,427.88 is: 59,688,349.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,921,856.88 : 110,292,161.12 = 43,252,427.88 : x
  2. Step 2: Convert to fraction form
    79,921,856.88/110,292,161.12 = 43,252,427.88/x
  3. Step 3: Cross multiply
    79,921,856.88x = 110,292,161.12 × 43,252,427.88
  4. Step 4: Simplify right side
    79,921,856.88x = 4,770,403,744,572,141
  5. Step 5: Solve for x
    x = 4,770,403,744,572,141/79,921,856.88
  6. Step 6: Final answer
    x = 59,688,349.73

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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.