Home / 101,752,139.80-152,404,260.90-61,292,056.60

Finding the Fourth Proportional to 101,752,139.80, 152,404,260.90 and 61,292,056.60

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Solution

The fourth proportional to 101,752,139.80, 152,404,260.90 and 61,292,056.60 is: 91,803,185.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,752,139.80 : 152,404,260.90 = 61,292,056.60 : x
  2. Step 2: Convert to fraction form
    101,752,139.80/152,404,260.90 = 61,292,056.60/x
  3. Step 3: Cross multiply
    101,752,139.80x = 152,404,260.90 × 61,292,056.60
  4. Step 4: Simplify right side
    101,752,139.80x = 9,341,170,585,163,968
  5. Step 5: Solve for x
    x = 9,341,170,585,163,968/101,752,139.80
  6. Step 6: Final answer
    x = 91,803,185.70

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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.