Home / 180,166,503.20-270,249,754.80-103,638,999.20

Finding the Fourth Proportional to 180,166,503.20, 270,249,754.80 and 103,638,999.20

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Solution

The fourth proportional to 180,166,503.20, 270,249,754.80 and 103,638,999.20 is: 155,458,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,166,503.20 : 270,249,754.80 = 103,638,999.20 : x
  2. Step 2: Convert to fraction form
    180,166,503.20/270,249,754.80 = 103,638,999.20/x
  3. Step 3: Cross multiply
    180,166,503.20x = 270,249,754.80 × 103,638,999.20
  4. Step 4: Simplify right side
    180,166,503.20x = 28,008,414,121,517,400
  5. Step 5: Solve for x
    x = 28,008,414,121,517,400/180,166,503.20
  6. Step 6: Final answer
    x = 155,458,498.80

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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.