Home / 90,164,063,737.76-124,437,887,054.16-54,521,633,841.44

Finding the Fourth Proportional to 90,164,063,737.76, 124,437,887,054.16 and 54,521,633,841.44

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Solution

The fourth proportional to 90,164,063,737.76, 124,437,887,054.16 and 54,521,633,841.44 is: 75,246,796,037.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,164,063,737.76 : 124,437,887,054.16 = 54,521,633,841.44 : x
  2. Step 2: Convert to fraction form
    90,164,063,737.76/124,437,887,054.16 = 54,521,633,841.44/x
  3. Step 3: Cross multiply
    90,164,063,737.76x = 124,437,887,054.16 × 54,521,633,841.44
  4. Step 4: Simplify right side
    90,164,063,737.76x = 6,784,556,913,969,378,361,344
  5. Step 5: Solve for x
    x = 6,784,556,913,969,378,361,344/90,164,063,737.76
  6. Step 6: Final answer
    x = 75,246,796,037.30

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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.