Home / 200,937,247.68-300,966,436.32-142,467,693.12

Finding the Fourth Proportional to 200,937,247.68, 300,966,436.32 and 142,467,693.12

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Solution

The fourth proportional to 200,937,247.68, 300,966,436.32 and 142,467,693.12 is: 213,389,973.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,937,247.68 : 300,966,436.32 = 142,467,693.12 : x
  2. Step 2: Convert to fraction form
    200,937,247.68/300,966,436.32 = 142,467,693.12/x
  3. Step 3: Cross multiply
    200,937,247.68x = 300,966,436.32 × 142,467,693.12
  4. Step 4: Simplify right side
    200,937,247.68x = 42,877,993,889,057,784
  5. Step 5: Solve for x
    x = 42,877,993,889,057,784/200,937,247.68
  6. Step 6: Final answer
    x = 213,389,973.16

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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.