Home / 151,167,632.42-208,598,025.12-84,181,529.90

Finding the Fourth Proportional to 151,167,632.42, 208,598,025.12 and 84,181,529.90

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Solution

The fourth proportional to 151,167,632.42, 208,598,025.12 and 84,181,529.90 is: 116,163,100.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,167,632.42 : 208,598,025.12 = 84,181,529.90 : x
  2. Step 2: Convert to fraction form
    151,167,632.42/208,598,025.12 = 84,181,529.90/x
  3. Step 3: Cross multiply
    151,167,632.42x = 208,598,025.12 × 84,181,529.90
  4. Step 4: Simplify right side
    151,167,632.42x = 17,560,100,888,720,232
  5. Step 5: Solve for x
    x = 17,560,100,888,720,232/151,167,632.42
  6. Step 6: Final answer
    x = 116,163,100.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.