Home / 118,799,168.19-163,943,216.43-65,879,602.01

Finding the Fourth Proportional to 118,799,168.19, 163,943,216.43 and 65,879,602.01

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Solution

The fourth proportional to 118,799,168.19, 163,943,216.43 and 65,879,602.01 is: 90,914,052.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,799,168.19 : 163,943,216.43 = 65,879,602.01 : x
  2. Step 2: Convert to fraction form
    118,799,168.19/163,943,216.43 = 65,879,602.01/x
  3. Step 3: Cross multiply
    118,799,168.19x = 163,943,216.43 × 65,879,602.01
  4. Step 4: Simplify right side
    118,799,168.19x = 10,800,513,850,647,694
  5. Step 5: Solve for x
    x = 10,800,513,850,647,694/118,799,168.19
  6. Step 6: Final answer
    x = 90,914,052.81

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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.