Home / 136,085,384.80-204,128,077.20-97,821,632.80

Finding the Fourth Proportional to 136,085,384.80, 204,128,077.20 and 97,821,632.80

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Solution

The fourth proportional to 136,085,384.80, 204,128,077.20 and 97,821,632.80 is: 146,732,449.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,085,384.80 : 204,128,077.20 = 97,821,632.80 : x
  2. Step 2: Convert to fraction form
    136,085,384.80/204,128,077.20 = 97,821,632.80/x
  3. Step 3: Cross multiply
    136,085,384.80x = 204,128,077.20 × 97,821,632.80
  4. Step 4: Simplify right side
    136,085,384.80x = 19,968,141,812,028,452
  5. Step 5: Solve for x
    x = 19,968,141,812,028,452/136,085,384.80
  6. Step 6: Final answer
    x = 146,732,449.20

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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.