Home / 248,161,738.60-372,242,607.90-66,408,916.60

Finding the Fourth Proportional to 248,161,738.60, 372,242,607.90 and 66,408,916.60

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Solution

The fourth proportional to 248,161,738.60, 372,242,607.90 and 66,408,916.60 is: 99,613,374.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,161,738.60 : 372,242,607.90 = 66,408,916.60 : x
  2. Step 2: Convert to fraction form
    248,161,738.60/372,242,607.90 = 66,408,916.60/x
  3. Step 3: Cross multiply
    248,161,738.60x = 372,242,607.90 × 66,408,916.60
  4. Step 4: Simplify right side
    248,161,738.60x = 24,720,228,302,997,600
  5. Step 5: Solve for x
    x = 24,720,228,302,997,600/248,161,738.60
  6. Step 6: Final answer
    x = 99,613,374.90

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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.