Home / 100,602,022.80-150,903,034.20-68,077,833.60

Finding the Fourth Proportional to 100,602,022.80, 150,903,034.20 and 68,077,833.60

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Solution

The fourth proportional to 100,602,022.80, 150,903,034.20 and 68,077,833.60 is: 102,116,750.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,602,022.80 : 150,903,034.20 = 68,077,833.60 : x
  2. Step 2: Convert to fraction form
    100,602,022.80/150,903,034.20 = 68,077,833.60/x
  3. Step 3: Cross multiply
    100,602,022.80x = 150,903,034.20 × 68,077,833.60
  4. Step 4: Simplify right side
    100,602,022.80x = 10,273,151,652,002,708
  5. Step 5: Solve for x
    x = 10,273,151,652,002,708/100,602,022.80
  6. Step 6: Final answer
    x = 102,116,750.40

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1.5x scale

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.