Home / 118,799,159.09-163,943,203.86-65,879,592.93

Finding the Fourth Proportional to 118,799,159.09, 163,943,203.86 and 65,879,592.93

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Solution

The fourth proportional to 118,799,159.09, 163,943,203.86 and 65,879,592.93 is: 90,914,040.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,799,159.09 : 163,943,203.86 = 65,879,592.93 : x
  2. Step 2: Convert to fraction form
    118,799,159.09/163,943,203.86 = 65,879,592.93/x
  3. Step 3: Cross multiply
    118,799,159.09x = 163,943,203.86 × 65,879,592.93
  4. Step 4: Simplify right side
    118,799,159.09x = 10,800,511,533,936,806
  5. Step 5: Solve for x
    x = 10,800,511,533,936,806/118,799,159.09
  6. Step 6: Final answer
    x = 90,914,040.28

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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.