Home / 154,691,222,240.89-213,473,896,957.95-86,101,163,380.15

Finding the Fourth Proportional to 154,691,222,240.89, 213,473,896,957.95 and 86,101,163,380.15

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Solution

The fourth proportional to 154,691,222,240.89, 213,473,896,957.95 and 86,101,163,380.15 is: 118,819,611,178.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,691,222,240.89 : 213,473,896,957.95 = 86,101,163,380.15 : x
  2. Step 2: Convert to fraction form
    154,691,222,240.89/213,473,896,957.95 = 86,101,163,380.15/x
  3. Step 3: Cross multiply
    154,691,222,240.89x = 213,473,896,957.95 × 86,101,163,380.15
  4. Step 4: Simplify right side
    154,691,222,240.89x = 18,380,350,879,373,759,348,736
  5. Step 5: Solve for x
    x = 18,380,350,879,373,759,348,736/154,691,222,240.89
  6. Step 6: Final answer
    x = 118,819,611,178.40

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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.