Home / 118,754,930.30-163,784,641.56-83,589,147.18

Finding the Fourth Proportional to 118,754,930.30, 163,784,641.56 and 83,589,147.18

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Solution

The fourth proportional to 118,754,930.30, 163,784,641.56 and 83,589,147.18 is: 115,284,632.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,754,930.30 : 163,784,641.56 = 83,589,147.18 : x
  2. Step 2: Convert to fraction form
    118,754,930.30/163,784,641.56 = 83,589,147.18/x
  3. Step 3: Cross multiply
    118,754,930.30x = 163,784,641.56 × 83,589,147.18
  4. Step 4: Simplify right side
    118,754,930.30x = 13,690,618,509,339,532
  5. Step 5: Solve for x
    x = 13,690,618,509,339,532/118,754,930.30
  6. Step 6: Final answer
    x = 115,284,632.60

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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.