Home / 118,799,164.69-163,943,211.60-65,879,598.51

Finding the Fourth Proportional to 118,799,164.69, 163,943,211.60 and 65,879,598.51

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Solution

The fourth proportional to 118,799,164.69, 163,943,211.60 and 65,879,598.51 is: 90,914,047.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,799,164.69 : 163,943,211.60 = 65,879,598.51 : x
  2. Step 2: Convert to fraction form
    118,799,164.69/163,943,211.60 = 65,879,598.51/x
  3. Step 3: Cross multiply
    118,799,164.69x = 163,943,211.60 × 65,879,598.51
  4. Step 4: Simplify right side
    118,799,164.69x = 10,800,512,958,647,974
  5. Step 5: Solve for x
    x = 10,800,512,958,647,974/118,799,164.69
  6. Step 6: Final answer
    x = 90,914,047.98

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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.