Home / 118,355,757.63-163,335,989.71-66,144,791.75

Finding the Fourth Proportional to 118,355,757.63, 163,335,989.71 and 66,144,791.75

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Solution

The fourth proportional to 118,355,757.63, 163,335,989.71 and 66,144,791.75 is: 91,282,631.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,355,757.63 : 163,335,989.71 = 66,144,791.75 : x
  2. Step 2: Convert to fraction form
    118,355,757.63/163,335,989.71 = 66,144,791.75/x
  3. Step 3: Cross multiply
    118,355,757.63x = 163,335,989.71 × 66,144,791.75
  4. Step 4: Simplify right side
    118,355,757.63x = 10,803,825,024,317,370
  5. Step 5: Solve for x
    x = 10,803,825,024,317,370/118,355,757.63
  6. Step 6: Final answer
    x = 91,282,631.63

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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.