Home / 158,035,289,122.96-218,082,859,177.39-85,775,802,538.60

Finding the Fourth Proportional to 158,035,289,122.96, 218,082,859,177.39 and 85,775,802,538.60

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Solution

The fourth proportional to 158,035,289,122.96, 218,082,859,177.39 and 85,775,802,538.60 is: 118,367,437,865.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,035,289,122.96 : 218,082,859,177.39 = 85,775,802,538.60 : x
  2. Step 2: Convert to fraction form
    158,035,289,122.96/218,082,859,177.39 = 85,775,802,538.60/x
  3. Step 3: Cross multiply
    158,035,289,122.96x = 218,082,859,177.39 × 85,775,802,538.60
  4. Step 4: Simplify right side
    158,035,289,122.96x = 18,706,232,265,852,898,508,800
  5. Step 5: Solve for x
    x = 18,706,232,265,852,898,508,800/158,035,289,122.96
  6. Step 6: Final answer
    x = 118,367,437,865.72

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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.