Home / 178,849,099.20-246,837,893.76-100,539,102.72

Finding the Fourth Proportional to 178,849,099.20, 246,837,893.76 and 100,539,102.72

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Solution

The fourth proportional to 178,849,099.20, 246,837,893.76 and 100,539,102.72 is: 138,758,654.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,849,099.20 : 246,837,893.76 = 100,539,102.72 : x
  2. Step 2: Convert to fraction form
    178,849,099.20/246,837,893.76 = 100,539,102.72/x
  3. Step 3: Cross multiply
    178,849,099.20x = 246,837,893.76 × 100,539,102.72
  4. Step 4: Simplify right side
    178,849,099.20x = 24,816,860,355,925,084
  5. Step 5: Solve for x
    x = 24,816,860,355,925,084/178,849,099.20
  6. Step 6: Final answer
    x = 138,758,654.46

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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.