Home / 203,906,792.49-305,955,848.12-101,678,801.73

Finding the Fourth Proportional to 203,906,792.49, 305,955,848.12 and 101,678,801.73

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Solution

The fourth proportional to 203,906,792.49, 305,955,848.12 and 101,678,801.73 is: 152,565,903.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,906,792.49 : 305,955,848.12 = 101,678,801.73 : x
  2. Step 2: Convert to fraction form
    203,906,792.49/305,955,848.12 = 101,678,801.73/x
  3. Step 3: Cross multiply
    203,906,792.49x = 305,955,848.12 × 101,678,801.73
  4. Step 4: Simplify right side
    203,906,792.49x = 31,109,224,018,619,080
  5. Step 5: Solve for x
    x = 31,109,224,018,619,080/203,906,792.49
  6. Step 6: Final answer
    x = 152,565,903.46

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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.