Home / 154,691,222,240.64-213,473,896,957.61-86,101,163,379.90

Finding the Fourth Proportional to 154,691,222,240.64, 213,473,896,957.61 and 86,101,163,379.90

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Solution

The fourth proportional to 154,691,222,240.64, 213,473,896,957.61 and 86,101,163,379.90 is: 118,819,611,178.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,691,222,240.64 : 213,473,896,957.61 = 86,101,163,379.90 : x
  2. Step 2: Convert to fraction form
    154,691,222,240.64/213,473,896,957.61 = 86,101,163,379.90/x
  3. Step 3: Cross multiply
    154,691,222,240.64x = 213,473,896,957.61 × 86,101,163,379.90
  4. Step 4: Simplify right side
    154,691,222,240.64x = 18,380,350,879,291,112,685,568
  5. Step 5: Solve for x
    x = 18,380,350,879,291,112,685,568/154,691,222,240.64
  6. Step 6: Final answer
    x = 118,819,611,178.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.