Home / 216,016,813.44-298,030,228.64-140,628,814.44

Finding the Fourth Proportional to 216,016,813.44, 298,030,228.64 and 140,628,814.44

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Solution

The fourth proportional to 216,016,813.44, 298,030,228.64 and 140,628,814.44 is: 194,020,257.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,016,813.44 : 298,030,228.64 = 140,628,814.44 : x
  2. Step 2: Convert to fraction form
    216,016,813.44/298,030,228.64 = 140,628,814.44/x
  3. Step 3: Cross multiply
    216,016,813.44x = 298,030,228.64 × 140,628,814.44
  4. Step 4: Simplify right side
    216,016,813.44x = 41,911,637,719,633,336
  5. Step 5: Solve for x
    x = 41,911,637,719,633,336/216,016,813.44
  6. Step 6: Final answer
    x = 194,020,257.28

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1.5x scale

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.