Home / 86,273,265,775.80-129,409,898,663.70-71,567,891,772.60

Finding the Fourth Proportional to 86,273,265,775.80, 129,409,898,663.70 and 71,567,891,772.60

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Solution

The fourth proportional to 86,273,265,775.80, 129,409,898,663.70 and 71,567,891,772.60 is: 107,351,837,658.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,273,265,775.80 : 129,409,898,663.70 = 71,567,891,772.60 : x
  2. Step 2: Convert to fraction form
    86,273,265,775.80/129,409,898,663.70 = 71,567,891,772.60/x
  3. Step 3: Cross multiply
    86,273,265,775.80x = 129,409,898,663.70 × 71,567,891,772.60
  4. Step 4: Simplify right side
    86,273,265,775.80x = 9,261,593,621,866,815,160,320
  5. Step 5: Solve for x
    x = 9,261,593,621,866,815,160,320/86,273,265,775.80
  6. Step 6: Final answer
    x = 107,351,837,658.90

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Double scale
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1.5x scale

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.