Home / 108,962,073,618.80-163,443,110,428.20-91,605,635,711.60

Finding the Fourth Proportional to 108,962,073,618.80, 163,443,110,428.20 and 91,605,635,711.60

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Solution

The fourth proportional to 108,962,073,618.80, 163,443,110,428.20 and 91,605,635,711.60 is: 137,408,453,567.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,962,073,618.80 : 163,443,110,428.20 = 91,605,635,711.60 : x
  2. Step 2: Convert to fraction form
    108,962,073,618.80/163,443,110,428.20 = 91,605,635,711.60/x
  3. Step 3: Cross multiply
    108,962,073,618.80x = 163,443,110,428.20 × 91,605,635,711.60
  4. Step 4: Simplify right side
    108,962,073,618.80x = 14,972,310,033,456,502,407,168
  5. Step 5: Solve for x
    x = 14,972,310,033,456,502,407,168/108,962,073,618.80
  6. Step 6: Final answer
    x = 137,408,453,567.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.