Home / 231,927,419.25-320,051,683.49-127,504,730.25

Finding the Fourth Proportional to 231,927,419.25, 320,051,683.49 and 127,504,730.25

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Solution

The fourth proportional to 231,927,419.25, 320,051,683.49 and 127,504,730.25 is: 175,952,044.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,927,419.25 : 320,051,683.49 = 127,504,730.25 : x
  2. Step 2: Convert to fraction form
    231,927,419.25/320,051,683.49 = 127,504,730.25/x
  3. Step 3: Cross multiply
    231,927,419.25x = 320,051,683.49 × 127,504,730.25
  4. Step 4: Simplify right side
    231,927,419.25x = 40,808,103,568,813,304
  5. Step 5: Solve for x
    x = 40,808,103,568,813,304/231,927,419.25
  6. Step 6: Final answer
    x = 175,952,044.40

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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.