Home / 109,226,247.40-163,839,371.10-28,447,215.40

Finding the Fourth Proportional to 109,226,247.40, 163,839,371.10 and 28,447,215.40

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Solution

The fourth proportional to 109,226,247.40, 163,839,371.10 and 28,447,215.40 is: 42,670,823.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,226,247.40 : 163,839,371.10 = 28,447,215.40 : x
  2. Step 2: Convert to fraction form
    109,226,247.40/163,839,371.10 = 28,447,215.40/x
  3. Step 3: Cross multiply
    109,226,247.40x = 163,839,371.10 × 28,447,215.40
  4. Step 4: Simplify right side
    109,226,247.40x = 4,660,773,880,682,235
  5. Step 5: Solve for x
    x = 4,660,773,880,682,235/109,226,247.40
  6. Step 6: Final answer
    x = 42,670,823.10

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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.