Home / 178,888,262.40-246,860,084.16-100,575,129.60

Finding the Fourth Proportional to 178,888,262.40, 246,860,084.16 and 100,575,129.60

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Solution

The fourth proportional to 178,888,262.40, 246,860,084.16 and 100,575,129.60 is: 138,790,464.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,888,262.40 : 246,860,084.16 = 100,575,129.60 : x
  2. Step 2: Convert to fraction form
    178,888,262.40/246,860,084.16 = 100,575,129.60/x
  3. Step 3: Cross multiply
    178,888,262.40x = 246,860,084.16 × 100,575,129.60
  4. Step 4: Simplify right side
    178,888,262.40x = 24,827,984,957,458,904
  5. Step 5: Solve for x
    x = 24,827,984,957,458,904/178,888,262.40
  6. Step 6: Final answer
    x = 138,790,464.08

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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.