Home / 47,488,142.52-71,214,055.94-25,911,211.48

Finding the Fourth Proportional to 47,488,142.52, 71,214,055.94 and 25,911,211.48

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Solution

The fourth proportional to 47,488,142.52, 71,214,055.94 and 25,911,211.48 is: 38,856,909.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,488,142.52 : 71,214,055.94 = 25,911,211.48 : x
  2. Step 2: Convert to fraction form
    47,488,142.52/71,214,055.94 = 25,911,211.48/x
  3. Step 3: Cross multiply
    47,488,142.52x = 71,214,055.94 × 25,911,211.48
  4. Step 4: Simplify right side
    47,488,142.52x = 1,845,242,463,809,890.25
  5. Step 5: Solve for x
    x = 1,845,242,463,809,890.25/47,488,142.52
  6. Step 6: Final answer
    x = 38,856,909.66

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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.