Home / 91,029,605,241.78-125,612,262,169.56-54,400,428,211.86

Finding the Fourth Proportional to 91,029,605,241.78, 125,612,262,169.56 and 54,400,428,211.86

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Solution

The fourth proportional to 91,029,605,241.78, 125,612,262,169.56 and 54,400,428,211.86 is: 75,067,455,610.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,029,605,241.78 : 125,612,262,169.56 = 54,400,428,211.86 : x
  2. Step 2: Convert to fraction form
    91,029,605,241.78/125,612,262,169.56 = 54,400,428,211.86/x
  3. Step 3: Cross multiply
    91,029,605,241.78x = 125,612,262,169.56 × 54,400,428,211.86
  4. Step 4: Simplify right side
    91,029,605,241.78x = 6,833,360,850,684,486,877,184
  5. Step 5: Solve for x
    x = 6,833,360,850,684,486,877,184/91,029,605,241.78
  6. Step 6: Final answer
    x = 75,067,455,610.02

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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.