Home / 100,602,017.20-150,903,025.80-28,798,433.20

Finding the Fourth Proportional to 100,602,017.20, 150,903,025.80 and 28,798,433.20

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Solution

The fourth proportional to 100,602,017.20, 150,903,025.80 and 28,798,433.20 is: 43,197,649.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,602,017.20 : 150,903,025.80 = 28,798,433.20 : x
  2. Step 2: Convert to fraction form
    100,602,017.20/150,903,025.80 = 28,798,433.20/x
  3. Step 3: Cross multiply
    100,602,017.20x = 150,903,025.80 × 28,798,433.20
  4. Step 4: Simplify right side
    100,602,017.20x = 4,345,770,708,179,177
  5. Step 5: Solve for x
    x = 4,345,770,708,179,177/100,602,017.20
  6. Step 6: Final answer
    x = 43,197,649.80

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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.