Home / 109,267,946.80-163,901,920.20-54,848,388.40

Finding the Fourth Proportional to 109,267,946.80, 163,901,920.20 and 54,848,388.40

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Solution

The fourth proportional to 109,267,946.80, 163,901,920.20 and 54,848,388.40 is: 82,272,582.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,267,946.80 : 163,901,920.20 = 54,848,388.40 : x
  2. Step 2: Convert to fraction form
    109,267,946.80/163,901,920.20 = 54,848,388.40/x
  3. Step 3: Cross multiply
    109,267,946.80x = 163,901,920.20 × 54,848,388.40
  4. Step 4: Simplify right side
    109,267,946.80x = 8,989,756,178,635,405
  5. Step 5: Solve for x
    x = 8,989,756,178,635,405/109,267,946.80
  6. Step 6: Final answer
    x = 82,272,582.60

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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.