Home / 126,329,530.60-189,494,295.90-77,224,382.20

Finding the Fourth Proportional to 126,329,530.60, 189,494,295.90 and 77,224,382.20

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Solution

The fourth proportional to 126,329,530.60, 189,494,295.90 and 77,224,382.20 is: 115,836,573.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,329,530.60 : 189,494,295.90 = 77,224,382.20 : x
  2. Step 2: Convert to fraction form
    126,329,530.60/189,494,295.90 = 77,224,382.20/x
  3. Step 3: Cross multiply
    126,329,530.60x = 189,494,295.90 × 77,224,382.20
  4. Step 4: Simplify right side
    126,329,530.60x = 14,633,579,931,301,494
  5. Step 5: Solve for x
    x = 14,633,579,931,301,494/126,329,530.60
  6. Step 6: Final answer
    x = 115,836,573.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.