Home / 148,878,270.72-223,317,129.60-46,650,138.88

Finding the Fourth Proportional to 148,878,270.72, 223,317,129.60 and 46,650,138.88

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Solution

The fourth proportional to 148,878,270.72, 223,317,129.60 and 46,650,138.88 is: 69,975,121.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,878,270.72 : 223,317,129.60 = 46,650,138.88 : x
  2. Step 2: Convert to fraction form
    148,878,270.72/223,317,129.60 = 46,650,138.88/x
  3. Step 3: Cross multiply
    148,878,270.72x = 223,317,129.60 × 46,650,138.88
  4. Step 4: Simplify right side
    148,878,270.72x = 10,417,775,110,122,960
  5. Step 5: Solve for x
    x = 10,417,775,110,122,960/148,878,270.72
  6. Step 6: Final answer
    x = 69,975,121.69

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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.