Home / 158,525,209,112.80-218,764,824,285-87,239,839,136.80

Finding the Fourth Proportional to 158,525,209,112.80, 218,764,824,285 and 87,239,839,136.80

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Solution

The fourth proportional to 158,525,209,112.80, 218,764,824,285 and 87,239,839,136.80 is: 120,390,997,660.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,525,209,112.80 : 218,764,824,285 = 87,239,839,136.80 : x
  2. Step 2: Convert to fraction form
    158,525,209,112.80/218,764,824,285 = 87,239,839,136.80/x
  3. Step 3: Cross multiply
    158,525,209,112.80x = 218,764,824,285 × 87,239,839,136.80
  4. Step 4: Simplify right side
    158,525,209,112.80x = 19,085,008,079,413,718,286,336
  5. Step 5: Solve for x
    x = 19,085,008,079,413,718,286,336/158,525,209,112.80
  6. Step 6: Final answer
    x = 120,390,997,660.40

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.