Home / 125,803,292.81-188,641,792.64-73,297,959.47

Finding the Fourth Proportional to 125,803,292.81, 188,641,792.64 and 73,297,959.47

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Solution

The fourth proportional to 125,803,292.81, 188,641,792.64 and 73,297,959.47 is: 109,910,147.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,803,292.81 : 188,641,792.64 = 73,297,959.47 : x
  2. Step 2: Convert to fraction form
    125,803,292.81/188,641,792.64 = 73,297,959.47/x
  3. Step 3: Cross multiply
    125,803,292.81x = 188,641,792.64 × 73,297,959.47
  4. Step 4: Simplify right side
    125,803,292.81x = 13,827,058,469,965,166
  5. Step 5: Solve for x
    x = 13,827,058,469,965,166/125,803,292.81
  6. Step 6: Final answer
    x = 109,910,147.51

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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.