Home / 300,545,851.28-450,812,358.72-82,196,194.16

Finding the Fourth Proportional to 300,545,851.28, 450,812,358.72 and 82,196,194.16

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Solution

The fourth proportional to 300,545,851.28, 450,812,358.72 and 82,196,194.16 is: 123,292,535.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,545,851.28 : 450,812,358.72 = 82,196,194.16 : x
  2. Step 2: Convert to fraction form
    300,545,851.28/450,812,358.72 = 82,196,194.16/x
  3. Step 3: Cross multiply
    300,545,851.28x = 450,812,358.72 × 82,196,194.16
  4. Step 4: Simplify right side
    300,545,851.28x = 37,055,060,167,076,688
  5. Step 5: Solve for x
    x = 37,055,060,167,076,688/300,545,851.28
  6. Step 6: Final answer
    x = 123,292,535.93

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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.