Home / 118,799,165.69-163,943,212.98-65,879,599.51

Finding the Fourth Proportional to 118,799,165.69, 163,943,212.98 and 65,879,599.51

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Solution

The fourth proportional to 118,799,165.69, 163,943,212.98 and 65,879,599.51 is: 90,914,049.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,799,165.69 : 163,943,212.98 = 65,879,599.51 : x
  2. Step 2: Convert to fraction form
    118,799,165.69/163,943,212.98 = 65,879,599.51/x
  3. Step 3: Cross multiply
    118,799,165.69x = 163,943,212.98 × 65,879,599.51
  4. Step 4: Simplify right side
    118,799,165.69x = 10,800,513,213,505,032
  5. Step 5: Solve for x
    x = 10,800,513,213,505,032/118,799,165.69
  6. Step 6: Final answer
    x = 90,914,049.36

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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.