Home / 145,218,594.56-200,395,825.92-79,137,689.60

Finding the Fourth Proportional to 145,218,594.56, 200,395,825.92 and 79,137,689.60

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Solution

The fourth proportional to 145,218,594.56, 200,395,825.92 and 79,137,689.60 is: 109,206,832.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,218,594.56 : 200,395,825.92 = 79,137,689.60 : x
  2. Step 2: Convert to fraction form
    145,218,594.56/200,395,825.92 = 79,137,689.60/x
  3. Step 3: Cross multiply
    145,218,594.56x = 200,395,825.92 × 79,137,689.60
  4. Step 4: Simplify right side
    145,218,594.56x = 15,858,862,668,792,592
  5. Step 5: Solve for x
    x = 15,858,862,668,792,592/145,218,594.56
  6. Step 6: Final answer
    x = 109,206,832.06

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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.