Home / 100,105,874.34-150,103,950.78-30,999,492.36

Finding the Fourth Proportional to 100,105,874.34, 150,103,950.78 and 30,999,492.36

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Solution

The fourth proportional to 100,105,874.34, 150,103,950.78 and 30,999,492.36 is: 46,482,249.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,105,874.34 : 150,103,950.78 = 30,999,492.36 : x
  2. Step 2: Convert to fraction form
    100,105,874.34/150,103,950.78 = 30,999,492.36/x
  3. Step 3: Cross multiply
    100,105,874.34x = 150,103,950.78 × 30,999,492.36
  4. Step 4: Simplify right side
    100,105,874.34x = 4,653,146,275,410,426
  5. Step 5: Solve for x
    x = 4,653,146,275,410,426/100,105,874.34
  6. Step 6: Final answer
    x = 46,482,249.98

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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.