Home / 201,778,506.76-278,420,619.97-112,450,941.47

Finding the Fourth Proportional to 201,778,506.76, 278,420,619.97 and 112,450,941.47

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Solution

The fourth proportional to 201,778,506.76, 278,420,619.97 and 112,450,941.47 is: 155,163,507.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,778,506.76 : 278,420,619.97 = 112,450,941.47 : x
  2. Step 2: Convert to fraction form
    201,778,506.76/278,420,619.97 = 112,450,941.47/x
  3. Step 3: Cross multiply
    201,778,506.76x = 278,420,619.97 × 112,450,941.47
  4. Step 4: Simplify right side
    201,778,506.76x = 31,308,660,840,287,588
  5. Step 5: Solve for x
    x = 31,308,660,840,287,588/201,778,506.76
  6. Step 6: Final answer
    x = 155,163,507.47

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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.