Home / 75,002,662.86-113,066,154.63-70,002,965.58

Finding the Fourth Proportional to 75,002,662.86, 113,066,154.63 and 70,002,965.58

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Solution

The fourth proportional to 75,002,662.86, 113,066,154.63 and 70,002,965.58 is: 105,529,134.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,002,662.86 : 113,066,154.63 = 70,002,965.58 : x
  2. Step 2: Convert to fraction form
    75,002,662.86/113,066,154.63 = 70,002,965.58/x
  3. Step 3: Cross multiply
    75,002,662.86x = 113,066,154.63 × 70,002,965.58
  4. Step 4: Simplify right side
    75,002,662.86x = 7,914,966,130,826,847
  5. Step 5: Solve for x
    x = 7,914,966,130,826,847/75,002,662.86
  6. Step 6: Final answer
    x = 105,529,134.95

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.