Home / 250,726,272.60-376,089,408.90-78,202,809.30

Finding the Fourth Proportional to 250,726,272.60, 376,089,408.90 and 78,202,809.30

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Solution

The fourth proportional to 250,726,272.60, 376,089,408.90 and 78,202,809.30 is: 117,304,213.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,726,272.60 : 376,089,408.90 = 78,202,809.30 : x
  2. Step 2: Convert to fraction form
    250,726,272.60/376,089,408.90 = 78,202,809.30/x
  3. Step 3: Cross multiply
    250,726,272.60x = 376,089,408.90 × 78,202,809.30
  4. Step 4: Simplify right side
    250,726,272.60x = 29,411,248,323,956,420
  5. Step 5: Solve for x
    x = 29,411,248,323,956,420/250,726,272.60
  6. Step 6: Final answer
    x = 117,304,213.95

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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.