Home / 118,799,166.69-163,943,214.36-65,879,600.51

Finding the Fourth Proportional to 118,799,166.69, 163,943,214.36 and 65,879,600.51

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Solution

The fourth proportional to 118,799,166.69, 163,943,214.36 and 65,879,600.51 is: 90,914,050.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,799,166.69 : 163,943,214.36 = 65,879,600.51 : x
  2. Step 2: Convert to fraction form
    118,799,166.69/163,943,214.36 = 65,879,600.51/x
  3. Step 3: Cross multiply
    118,799,166.69x = 163,943,214.36 × 65,879,600.51
  4. Step 4: Simplify right side
    118,799,166.69x = 10,800,513,468,362,096
  5. Step 5: Solve for x
    x = 10,800,513,468,362,096/118,799,166.69
  6. Step 6: Final answer
    x = 90,914,050.74

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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.