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Finding the Fourth Proportional to 201,774,671.40, 302,662,007.10 and 200,074,060.20

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Solution

The fourth proportional to 201,774,671.40, 302,662,007.10 and 200,074,060.20 is: 300,111,090.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,774,671.40 : 302,662,007.10 = 200,074,060.20 : x
  2. Step 2: Convert to fraction form
    201,774,671.40/302,662,007.10 = 200,074,060.20/x
  3. Step 3: Cross multiply
    201,774,671.40x = 302,662,007.10 × 200,074,060.20
  4. Step 4: Simplify right side
    201,774,671.40x = 60,554,816,628,778,232
  5. Step 5: Solve for x
    x = 60,554,816,628,778,232/201,774,671.40
  6. Step 6: Final answer
    x = 300,111,090.30

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1.5x scale

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.