Home / 251,122,228.95-376,480,069.07-78,510,192.15

Finding the Fourth Proportional to 251,122,228.95, 376,480,069.07 and 78,510,192.15

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Solution

The fourth proportional to 251,122,228.95, 376,480,069.07 and 78,510,192.15 is: 117,701,737.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,122,228.95 : 376,480,069.07 = 78,510,192.15 : x
  2. Step 2: Convert to fraction form
    251,122,228.95/376,480,069.07 = 78,510,192.15/x
  3. Step 3: Cross multiply
    251,122,228.95x = 376,480,069.07 × 78,510,192.15
  4. Step 4: Simplify right side
    251,122,228.95x = 29,557,522,562,938,424
  5. Step 5: Solve for x
    x = 29,557,522,562,938,424/251,122,228.95
  6. Step 6: Final answer
    x = 117,701,737.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.