Home / 118,693,315.78-163,416,090.81-92,554,291.78

Finding the Fourth Proportional to 118,693,315.78, 163,416,090.81 and 92,554,291.78

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Solution

The fourth proportional to 118,693,315.78, 163,416,090.81 and 92,554,291.78 is: 127,428,073.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,693,315.78 : 163,416,090.81 = 92,554,291.78 : x
  2. Step 2: Convert to fraction form
    118,693,315.78/163,416,090.81 = 92,554,291.78/x
  3. Step 3: Cross multiply
    118,693,315.78x = 163,416,090.81 × 92,554,291.78
  4. Step 4: Simplify right side
    118,693,315.78x = 15,124,860,550,375,716
  5. Step 5: Solve for x
    x = 15,124,860,550,375,716/118,693,315.78
  6. Step 6: Final answer
    x = 127,428,073.36

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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.