Home / 136,369,880.31-188,190,427.63-73,645,972.23

Finding the Fourth Proportional to 136,369,880.31, 188,190,427.63 and 73,645,972.23

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Solution

The fourth proportional to 136,369,880.31, 188,190,427.63 and 73,645,972.23 is: 101,631,437.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,369,880.31 : 188,190,427.63 = 73,645,972.23 : x
  2. Step 2: Convert to fraction form
    136,369,880.31/188,190,427.63 = 73,645,972.23/x
  3. Step 3: Cross multiply
    136,369,880.31x = 188,190,427.63 × 73,645,972.23
  4. Step 4: Simplify right side
    136,369,880.31x = 13,859,467,006,349,204
  5. Step 5: Solve for x
    x = 13,859,467,006,349,204/136,369,880.31
  6. Step 6: Final answer
    x = 101,631,437.79

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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.