Home / 112,294,144.20-168,441,216.30-68,645,123.40

Finding the Fourth Proportional to 112,294,144.20, 168,441,216.30 and 68,645,123.40

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Solution

The fourth proportional to 112,294,144.20, 168,441,216.30 and 68,645,123.40 is: 102,967,685.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,294,144.20 : 168,441,216.30 = 68,645,123.40 : x
  2. Step 2: Convert to fraction form
    112,294,144.20/168,441,216.30 = 68,645,123.40/x
  3. Step 3: Cross multiply
    112,294,144.20x = 168,441,216.30 × 68,645,123.40
  4. Step 4: Simplify right side
    112,294,144.20x = 11,562,668,078,559,594
  5. Step 5: Solve for x
    x = 11,562,668,078,559,594/112,294,144.20
  6. Step 6: Final answer
    x = 102,967,685.10

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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.