Home / 101,752,120.80-152,404,232.40-61,292,037.60

Finding the Fourth Proportional to 101,752,120.80, 152,404,232.40 and 61,292,037.60

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Solution

The fourth proportional to 101,752,120.80, 152,404,232.40 and 61,292,037.60 is: 91,803,157.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,752,120.80 : 152,404,232.40 = 61,292,037.60 : x
  2. Step 2: Convert to fraction form
    101,752,120.80/152,404,232.40 = 61,292,037.60/x
  3. Step 3: Cross multiply
    101,752,120.80x = 152,404,232.40 × 61,292,037.60
  4. Step 4: Simplify right side
    101,752,120.80x = 9,341,165,942,659,938
  5. Step 5: Solve for x
    x = 9,341,165,942,659,938/101,752,120.80
  6. Step 6: Final answer
    x = 91,803,157.21

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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.