Home / 369,113,240.39-553,724,907.17-135,926,016.57

Finding the Fourth Proportional to 369,113,240.39, 553,724,907.17 and 135,926,016.57

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Solution

The fourth proportional to 369,113,240.39, 553,724,907.17 and 135,926,016.57 is: 203,909,295.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,113,240.39 : 553,724,907.17 = 135,926,016.57 : x
  2. Step 2: Convert to fraction form
    369,113,240.39/553,724,907.17 = 135,926,016.57/x
  3. Step 3: Cross multiply
    369,113,240.39x = 553,724,907.17 × 135,926,016.57
  4. Step 4: Simplify right side
    369,113,240.39x = 75,265,620,906,531,488
  5. Step 5: Solve for x
    x = 75,265,620,906,531,488/369,113,240.39
  6. Step 6: Final answer
    x = 203,909,295.77

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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.