Home / 159,599,525,811.53-220,247,203,326.60-90,089,797,645.70

Finding the Fourth Proportional to 159,599,525,811.53, 220,247,203,326.60 and 90,089,797,645.70

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Solution

The fourth proportional to 159,599,525,811.53, 220,247,203,326.60 and 90,089,797,645.70 is: 124,323,840,430.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,599,525,811.53 : 220,247,203,326.60 = 90,089,797,645.70 : x
  2. Step 2: Convert to fraction form
    159,599,525,811.53/220,247,203,326.60 = 90,089,797,645.70/x
  3. Step 3: Cross multiply
    159,599,525,811.53x = 220,247,203,326.60 × 90,089,797,645.70
  4. Step 4: Simplify right side
    159,599,525,811.53x = 19,842,025,979,724,739,641,344
  5. Step 5: Solve for x
    x = 19,842,025,979,724,739,641,344/159,599,525,811.53
  6. Step 6: Final answer
    x = 124,323,840,430.18

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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.