Home / 158,195,074.02-218,310,948.48-87,631,765.08

Finding the Fourth Proportional to 158,195,074.02, 218,310,948.48 and 87,631,765.08

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Solution

The fourth proportional to 158,195,074.02, 218,310,948.48 and 87,631,765.08 is: 120,932,803.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,195,074.02 : 218,310,948.48 = 87,631,765.08 : x
  2. Step 2: Convert to fraction form
    158,195,074.02/218,310,948.48 = 87,631,765.08/x
  3. Step 3: Cross multiply
    158,195,074.02x = 218,310,948.48 × 87,631,765.08
  4. Step 4: Simplify right side
    158,195,074.02x = 19,130,973,751,591,340
  5. Step 5: Solve for x
    x = 19,130,973,751,591,340/158,195,074.02
  6. Step 6: Final answer
    x = 120,932,803.19

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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.