Home / 153,963,635.06-212,469,742.78-92,083,972.34

Finding the Fourth Proportional to 153,963,635.06, 212,469,742.78 and 92,083,972.34

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Solution

The fourth proportional to 153,963,635.06, 212,469,742.78 and 92,083,972.34 is: 127,075,837.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,963,635.06 : 212,469,742.78 = 92,083,972.34 : x
  2. Step 2: Convert to fraction form
    153,963,635.06/212,469,742.78 = 92,083,972.34/x
  3. Step 3: Cross multiply
    153,963,635.06x = 212,469,742.78 × 92,083,972.34
  4. Step 4: Simplify right side
    153,963,635.06x = 19,565,057,917,240,436
  5. Step 5: Solve for x
    x = 19,565,057,917,240,436/153,963,635.06
  6. Step 6: Final answer
    x = 127,075,837.81

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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.