Home / 100,570,845,196.75-150,732,046,598.35-86,305,538,516.16

Finding the Fourth Proportional to 100,570,845,196.75, 150,732,046,598.35 and 86,305,538,516.16

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Solution

The fourth proportional to 100,570,845,196.75, 150,732,046,598.35 and 86,305,538,516.16 is: 129,351,706,529.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,570,845,196.75 : 150,732,046,598.35 = 86,305,538,516.16 : x
  2. Step 2: Convert to fraction form
    100,570,845,196.75/150,732,046,598.35 = 86,305,538,516.16/x
  3. Step 3: Cross multiply
    100,570,845,196.75x = 150,732,046,598.35 × 86,305,538,516.16
  4. Step 4: Simplify right side
    100,570,845,196.75x = 13,009,010,453,313,220,509,696
  5. Step 5: Solve for x
    x = 13,009,010,453,313,220,509,696/100,570,845,196.75
  6. Step 6: Final answer
    x = 129,351,706,529.49

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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.