Home / 101,752,142.80-152,404,265.40-61,292,059.60

Finding the Fourth Proportional to 101,752,142.80, 152,404,265.40 and 61,292,059.60

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Solution

The fourth proportional to 101,752,142.80, 152,404,265.40 and 61,292,059.60 is: 91,803,190.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,752,142.80 : 152,404,265.40 = 61,292,059.60 : x
  2. Step 2: Convert to fraction form
    101,752,142.80/152,404,265.40 = 61,292,059.60/x
  3. Step 3: Cross multiply
    101,752,142.80x = 152,404,265.40 × 61,292,059.60
  4. Step 4: Simplify right side
    101,752,142.80x = 9,341,171,318,191,018
  5. Step 5: Solve for x
    x = 9,341,171,318,191,018/101,752,142.80
  6. Step 6: Final answer
    x = 91,803,190.19

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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.