Home / 187,487,445.48-281,230,364.97-47,429,228.49

Finding the Fourth Proportional to 187,487,445.48, 281,230,364.97 and 47,429,228.49

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Solution

The fourth proportional to 187,487,445.48, 281,230,364.97 and 47,429,228.49 is: 71,143,639.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,487,445.48 : 281,230,364.97 = 47,429,228.49 : x
  2. Step 2: Convert to fraction form
    187,487,445.48/281,230,364.97 = 47,429,228.49/x
  3. Step 3: Cross multiply
    187,487,445.48x = 281,230,364.97 × 47,429,228.49
  4. Step 4: Simplify right side
    187,487,445.48x = 13,338,539,238,488,224
  5. Step 5: Solve for x
    x = 13,338,539,238,488,224/187,487,445.48
  6. Step 6: Final answer
    x = 71,143,639.53

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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.