Home / 91,288,023,171.84-125,977,620,177.71-50,642,935,699.58

Finding the Fourth Proportional to 91,288,023,171.84, 125,977,620,177.71 and 50,642,935,699.58

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Solution

The fourth proportional to 91,288,023,171.84, 125,977,620,177.71 and 50,642,935,699.58 is: 69,887,333,481.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,288,023,171.84 : 125,977,620,177.71 = 50,642,935,699.58 : x
  2. Step 2: Convert to fraction form
    91,288,023,171.84/125,977,620,177.71 = 50,642,935,699.58/x
  3. Step 3: Cross multiply
    91,288,023,171.84x = 125,977,620,177.71 × 50,642,935,699.58
  4. Step 4: Simplify right side
    91,288,023,171.84x = 6,379,876,518,245,880,037,376
  5. Step 5: Solve for x
    x = 6,379,876,518,245,880,037,376/91,288,023,171.84
  6. Step 6: Final answer
    x = 69,887,333,481.16

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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.