Home / 99,827,721.60-149,741,582.40-28,014,806.40

Finding the Fourth Proportional to 99,827,721.60, 149,741,582.40 and 28,014,806.40

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Solution

The fourth proportional to 99,827,721.60, 149,741,582.40 and 28,014,806.40 is: 42,022,209.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,827,721.60 : 149,741,582.40 = 28,014,806.40 : x
  2. Step 2: Convert to fraction form
    99,827,721.60/149,741,582.40 = 28,014,806.40/x
  3. Step 3: Cross multiply
    99,827,721.60x = 149,741,582.40 × 28,014,806.40
  4. Step 4: Simplify right side
    99,827,721.60x = 4,194,981,440,965,647.50
  5. Step 5: Solve for x
    x = 4,194,981,440,965,647.50/99,827,721.60
  6. Step 6: Final answer
    x = 42,022,209.60

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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.