Home / 86,657,368,093.20-129,986,052,139.80-49,465,001,149.20

Finding the Fourth Proportional to 86,657,368,093.20, 129,986,052,139.80 and 49,465,001,149.20

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Solution

The fourth proportional to 86,657,368,093.20, 129,986,052,139.80 and 49,465,001,149.20 is: 74,197,501,723.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,657,368,093.20 : 129,986,052,139.80 = 49,465,001,149.20 : x
  2. Step 2: Convert to fraction form
    86,657,368,093.20/129,986,052,139.80 = 49,465,001,149.20/x
  3. Step 3: Cross multiply
    86,657,368,093.20x = 129,986,052,139.80 × 49,465,001,149.20
  4. Step 4: Simplify right side
    86,657,368,093.20x = 6,429,760,218,475,177,967,616
  5. Step 5: Solve for x
    x = 6,429,760,218,475,177,967,616/86,657,368,093.20
  6. Step 6: Final answer
    x = 74,197,501,723.80

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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.