Home / 252,645,517.23-348,631,355.07-142,648,087.47

Finding the Fourth Proportional to 252,645,517.23, 348,631,355.07 and 142,648,087.47

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Solution

The fourth proportional to 252,645,517.23, 348,631,355.07 and 142,648,087.47 is: 196,843,373.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,645,517.23 : 348,631,355.07 = 142,648,087.47 : x
  2. Step 2: Convert to fraction form
    252,645,517.23/348,631,355.07 = 142,648,087.47/x
  3. Step 3: Cross multiply
    252,645,517.23x = 348,631,355.07 × 142,648,087.47
  4. Step 4: Simplify right side
    252,645,517.23x = 49,731,596,032,809,984
  5. Step 5: Solve for x
    x = 49,731,596,032,809,984/252,645,517.23
  6. Step 6: Final answer
    x = 196,843,373.98

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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.