Home / 87,734,932.94-121,077,989.87-48,576,709.40

Finding the Fourth Proportional to 87,734,932.94, 121,077,989.87 and 48,576,709.40

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Solution

The fourth proportional to 87,734,932.94, 121,077,989.87 and 48,576,709.40 is: 67,037,953.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,734,932.94 : 121,077,989.87 = 48,576,709.40 : x
  2. Step 2: Convert to fraction form
    87,734,932.94/121,077,989.87 = 48,576,709.40/x
  3. Step 3: Cross multiply
    87,734,932.94x = 121,077,989.87 × 48,576,709.40
  4. Step 4: Simplify right side
    87,734,932.94x = 5,881,570,327,802,860
  5. Step 5: Solve for x
    x = 5,881,570,327,802,860/87,734,932.94
  6. Step 6: Final answer
    x = 67,037,953.19

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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.