Home / 252,240,600.15-378,179,312.81-154,995,390.81

Finding the Fourth Proportional to 252,240,600.15, 378,179,312.81 and 154,995,390.81

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Solution

The fourth proportional to 252,240,600.15, 378,179,312.81 and 154,995,390.81 is: 232,381,505.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,240,600.15 : 378,179,312.81 = 154,995,390.81 : x
  2. Step 2: Convert to fraction form
    252,240,600.15/378,179,312.81 = 154,995,390.81/x
  3. Step 3: Cross multiply
    252,240,600.15x = 378,179,312.81 × 154,995,390.81
  4. Step 4: Simplify right side
    252,240,600.15x = 58,616,050,384,468,216
  5. Step 5: Solve for x
    x = 58,616,050,384,468,216/252,240,600.15
  6. Step 6: Final answer
    x = 232,381,505.39

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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.