Home / 100,570,845,199.38-150,732,046,602.29-86,305,538,518.79

Finding the Fourth Proportional to 100,570,845,199.38, 150,732,046,602.29 and 86,305,538,518.79

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Solution

The fourth proportional to 100,570,845,199.38, 150,732,046,602.29 and 86,305,538,518.79 is: 129,351,706,533.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,570,845,199.38 : 150,732,046,602.29 = 86,305,538,518.79 : x
  2. Step 2: Convert to fraction form
    100,570,845,199.38/150,732,046,602.29 = 86,305,538,518.79/x
  3. Step 3: Cross multiply
    100,570,845,199.38x = 150,732,046,602.29 × 86,305,538,518.79
  4. Step 4: Simplify right side
    100,570,845,199.38x = 13,009,010,454,049,236,975,616
  5. Step 5: Solve for x
    x = 13,009,010,454,049,236,975,616/100,570,845,199.38
  6. Step 6: Final answer
    x = 129,351,706,533.43

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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.