Home / 136,483,219.80-204,724,829.70-90,566,717.40

Finding the Fourth Proportional to 136,483,219.80, 204,724,829.70 and 90,566,717.40

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Solution

The fourth proportional to 136,483,219.80, 204,724,829.70 and 90,566,717.40 is: 135,850,076.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,483,219.80 : 204,724,829.70 = 90,566,717.40 : x
  2. Step 2: Convert to fraction form
    136,483,219.80/204,724,829.70 = 90,566,717.40/x
  3. Step 3: Cross multiply
    136,483,219.80x = 204,724,829.70 × 90,566,717.40
  4. Step 4: Simplify right side
    136,483,219.80x = 18,541,255,796,203,028
  5. Step 5: Solve for x
    x = 18,541,255,796,203,028/136,483,219.80
  6. Step 6: Final answer
    x = 135,850,076.10

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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.