Home / 100,818,090.15-151,254,047.20-36,128,434.42

Finding the Fourth Proportional to 100,818,090.15, 151,254,047.20 and 36,128,434.42

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Solution

The fourth proportional to 100,818,090.15, 151,254,047.20 and 36,128,434.42 is: 54,202,295.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,818,090.15 : 151,254,047.20 = 36,128,434.42 : x
  2. Step 2: Convert to fraction form
    100,818,090.15/151,254,047.20 = 36,128,434.42/x
  3. Step 3: Cross multiply
    100,818,090.15x = 151,254,047.20 × 36,128,434.42
  4. Step 4: Simplify right side
    100,818,090.15x = 5,464,571,925,259,012
  5. Step 5: Solve for x
    x = 5,464,571,925,259,012/100,818,090.15
  6. Step 6: Final answer
    x = 54,202,295.61

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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.