Home / 89,809,114.75-123,936,603.02-49,575,135.05

Finding the Fourth Proportional to 89,809,114.75, 123,936,603.02 and 49,575,135.05

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Solution

The fourth proportional to 89,809,114.75, 123,936,603.02 and 49,575,135.05 is: 68,413,699.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,809,114.75 : 123,936,603.02 = 49,575,135.05 : x
  2. Step 2: Convert to fraction form
    89,809,114.75/123,936,603.02 = 49,575,135.05/x
  3. Step 3: Cross multiply
    89,809,114.75x = 123,936,603.02 × 49,575,135.05
  4. Step 4: Simplify right side
    89,809,114.75x = 6,144,173,832,834,991
  5. Step 5: Solve for x
    x = 6,144,173,832,834,991/89,809,114.75
  6. Step 6: Final answer
    x = 68,413,699.99

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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.