Home / 158,321,563,212.20-218,482,205,047.20-86,059,328,615.71

Finding the Fourth Proportional to 158,321,563,212.20, 218,482,205,047.20 and 86,059,328,615.71

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Solution

The fourth proportional to 158,321,563,212.20, 218,482,205,047.20 and 86,059,328,615.71 is: 118,761,029,763.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,321,563,212.20 : 218,482,205,047.20 = 86,059,328,615.71 : x
  2. Step 2: Convert to fraction form
    158,321,563,212.20/218,482,205,047.20 = 86,059,328,615.71/x
  3. Step 3: Cross multiply
    158,321,563,212.20x = 218,482,205,047.20 × 86,059,328,615.71
  4. Step 4: Simplify right side
    158,321,563,212.20x = 18,802,431,880,841,482,207,232
  5. Step 5: Solve for x
    x = 18,802,431,880,841,482,207,232/158,321,563,212.20
  6. Step 6: Final answer
    x = 118,761,029,763.46

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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.