Home / 113,372,181.60-170,058,272.40-90,697,365.60

Finding the Fourth Proportional to 113,372,181.60, 170,058,272.40 and 90,697,365.60

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Solution

The fourth proportional to 113,372,181.60, 170,058,272.40 and 90,697,365.60 is: 136,046,048.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,372,181.60 : 170,058,272.40 = 90,697,365.60 : x
  2. Step 2: Convert to fraction form
    113,372,181.60/170,058,272.40 = 90,697,365.60/x
  3. Step 3: Cross multiply
    113,372,181.60x = 170,058,272.40 × 90,697,365.60
  4. Step 4: Simplify right side
    113,372,181.60x = 15,423,837,305,167,188
  5. Step 5: Solve for x
    x = 15,423,837,305,167,188/113,372,181.60
  6. Step 6: Final answer
    x = 136,046,048.40

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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.