Home / 220,262,136.40-330,109,769.40-168,889,506.40

Finding the Fourth Proportional to 220,262,136.40, 330,109,769.40 and 168,889,506.40

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Solution

The fourth proportional to 220,262,136.40, 330,109,769.40 and 168,889,506.40 is: 253,116,931.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,262,136.40 : 330,109,769.40 = 168,889,506.40 : x
  2. Step 2: Convert to fraction form
    220,262,136.40/330,109,769.40 = 168,889,506.40/x
  3. Step 3: Cross multiply
    220,262,136.40x = 330,109,769.40 × 168,889,506.40
  4. Step 4: Simplify right side
    220,262,136.40x = 55,752,076,011,783,824
  5. Step 5: Solve for x
    x = 55,752,076,011,783,824/220,262,136.40
  6. Step 6: Final answer
    x = 253,116,931.14

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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.