Home / 75,241,465.96-103,824,921.20-42,194,914.64

Finding the Fourth Proportional to 75,241,465.96, 103,824,921.20 and 42,194,914.64

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Solution

The fourth proportional to 75,241,465.96, 103,824,921.20 and 42,194,914.64 is: 58,224,326.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,241,465.96 : 103,824,921.20 = 42,194,914.64 : x
  2. Step 2: Convert to fraction form
    75,241,465.96/103,824,921.20 = 42,194,914.64/x
  3. Step 3: Cross multiply
    75,241,465.96x = 103,824,921.20 × 42,194,914.64
  4. Step 4: Simplify right side
    75,241,465.96x = 4,380,883,687,538,726.50
  5. Step 5: Solve for x
    x = 4,380,883,687,538,726.50/75,241,465.96
  6. Step 6: Final answer
    x = 58,224,326.59

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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.