Home / 217,853,999.60-326,403,085.80-141,137,538.80

Finding the Fourth Proportional to 217,853,999.60, 326,403,085.80 and 141,137,538.80

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Solution

The fourth proportional to 217,853,999.60, 326,403,085.80 and 141,137,538.80 is: 211,461,475.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,853,999.60 : 326,403,085.80 = 141,137,538.80 : x
  2. Step 2: Convert to fraction form
    217,853,999.60/326,403,085.80 = 141,137,538.80/x
  3. Step 3: Cross multiply
    217,853,999.60x = 326,403,085.80 × 141,137,538.80
  4. Step 4: Simplify right side
    217,853,999.60x = 46,067,728,186,537,232
  5. Step 5: Solve for x
    x = 46,067,728,186,537,232/217,853,999.60
  6. Step 6: Final answer
    x = 211,461,475.44

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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.