Home / 91,115,719,531.35-125,739,682,179.93-54,493,829,230.14

Finding the Fourth Proportional to 91,115,719,531.35, 125,739,682,179.93 and 54,493,829,230.14

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Solution

The fourth proportional to 91,115,719,531.35, 125,739,682,179.93 and 54,493,829,230.14 is: 75,201,477,894.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,115,719,531.35 : 125,739,682,179.93 = 54,493,829,230.14 : x
  2. Step 2: Convert to fraction form
    91,115,719,531.35/125,739,682,179.93 = 54,493,829,230.14/x
  3. Step 3: Cross multiply
    91,115,719,531.35x = 125,739,682,179.93 × 54,493,829,230.14
  4. Step 4: Simplify right side
    91,115,719,531.35x = 6,852,036,768,165,182,570,496
  5. Step 5: Solve for x
    x = 6,852,036,768,165,182,570,496/91,115,719,531.35
  6. Step 6: Final answer
    x = 75,201,477,894.36

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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.