Home / 90,164,063,764.02-124,437,887,090.40-54,521,633,867.70

Finding the Fourth Proportional to 90,164,063,764.02, 124,437,887,090.40 and 54,521,633,867.70

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Solution

The fourth proportional to 90,164,063,764.02, 124,437,887,090.40 and 54,521,633,867.70 is: 75,246,796,073.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,164,063,764.02 : 124,437,887,090.40 = 54,521,633,867.70 : x
  2. Step 2: Convert to fraction form
    90,164,063,764.02/124,437,887,090.40 = 54,521,633,867.70/x
  3. Step 3: Cross multiply
    90,164,063,764.02x = 124,437,887,090.40 × 54,521,633,867.70
  4. Step 4: Simplify right side
    90,164,063,764.02x = 6,784,556,919,212,980,830,208
  5. Step 5: Solve for x
    x = 6,784,556,919,212,980,830,208/90,164,063,764.02
  6. Step 6: Final answer
    x = 75,246,796,073.54

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Double scale
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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.