Home / 165,460,459.20-248,190,688.80-152,989,310.40

Finding the Fourth Proportional to 165,460,459.20, 248,190,688.80 and 152,989,310.40

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Solution

The fourth proportional to 165,460,459.20, 248,190,688.80 and 152,989,310.40 is: 229,483,965.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,460,459.20 : 248,190,688.80 = 152,989,310.40 : x
  2. Step 2: Convert to fraction form
    165,460,459.20/248,190,688.80 = 152,989,310.40/x
  3. Step 3: Cross multiply
    165,460,459.20x = 248,190,688.80 × 152,989,310.40
  4. Step 4: Simplify right side
    165,460,459.20x = 37,970,522,327,213,008
  5. Step 5: Solve for x
    x = 37,970,522,327,213,008/165,460,459.20
  6. Step 6: Final answer
    x = 229,483,965.60

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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.