Home / 201,678,637.20-302,517,955.80-192,832,659.60

Finding the Fourth Proportional to 201,678,637.20, 302,517,955.80 and 192,832,659.60

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Solution

The fourth proportional to 201,678,637.20, 302,517,955.80 and 192,832,659.60 is: 289,248,989.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,678,637.20 : 302,517,955.80 = 192,832,659.60 : x
  2. Step 2: Convert to fraction form
    201,678,637.20/302,517,955.80 = 192,832,659.60/x
  3. Step 3: Cross multiply
    201,678,637.20x = 302,517,955.80 × 192,832,659.60
  4. Step 4: Simplify right side
    201,678,637.20x = 58,335,341,993,669,248
  5. Step 5: Solve for x
    x = 58,335,341,993,669,248/201,678,637.20
  6. Step 6: Final answer
    x = 289,248,989.40

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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.