Home / 293,358,578.40-440,037,949.14-109,101,979.98

Finding the Fourth Proportional to 293,358,578.40, 440,037,949.14 and 109,101,979.98

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Solution

The fourth proportional to 293,358,578.40, 440,037,949.14 and 109,101,979.98 is: 163,653,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,358,578.40 : 440,037,949.14 = 109,101,979.98 : x
  2. Step 2: Convert to fraction form
    293,358,578.40/440,037,949.14 = 109,101,979.98/x
  3. Step 3: Cross multiply
    293,358,578.40x = 440,037,949.14 × 109,101,979.98
  4. Step 4: Simplify right side
    293,358,578.40x = 48,009,011,517,512,536
  5. Step 5: Solve for x
    x = 48,009,011,517,512,536/293,358,578.40
  6. Step 6: Final answer
    x = 163,653,000.30

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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.