Home / 90,164,063,765.02-124,437,887,091.78-54,521,633,868.70

Finding the Fourth Proportional to 90,164,063,765.02, 124,437,887,091.78 and 54,521,633,868.70

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Solution

The fourth proportional to 90,164,063,765.02, 124,437,887,091.78 and 54,521,633,868.70 is: 75,246,796,074.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,164,063,765.02 : 124,437,887,091.78 = 54,521,633,868.70 : x
  2. Step 2: Convert to fraction form
    90,164,063,765.02/124,437,887,091.78 = 54,521,633,868.70/x
  3. Step 3: Cross multiply
    90,164,063,765.02x = 124,437,887,091.78 × 54,521,633,868.70
  4. Step 4: Simplify right side
    90,164,063,765.02x = 6,784,556,919,412,659,060,736
  5. Step 5: Solve for x
    x = 6,784,556,919,412,659,060,736/90,164,063,765.02
  6. Step 6: Final answer
    x = 75,246,796,074.92

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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.