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Finding the Fourth Proportional to 100,602,067.80, 150,903,101.70 and 35,907,983.40

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Solution

The fourth proportional to 100,602,067.80, 150,903,101.70 and 35,907,983.40 is: 53,861,975.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,602,067.80 : 150,903,101.70 = 35,907,983.40 : x
  2. Step 2: Convert to fraction form
    100,602,067.80/150,903,101.70 = 35,907,983.40/x
  3. Step 3: Cross multiply
    100,602,067.80x = 150,903,101.70 × 35,907,983.40
  4. Step 4: Simplify right side
    100,602,067.80x = 5,418,626,070,852,111
  5. Step 5: Solve for x
    x = 5,418,626,070,852,111/100,602,067.80
  6. Step 6: Final answer
    x = 53,861,975.10

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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.