Home / 193,549,459.20-290,324,188.80-111,920,121.60

Finding the Fourth Proportional to 193,549,459.20, 290,324,188.80 and 111,920,121.60

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Solution

The fourth proportional to 193,549,459.20, 290,324,188.80 and 111,920,121.60 is: 167,880,182.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,549,459.20 : 290,324,188.80 = 111,920,121.60 : x
  2. Step 2: Convert to fraction form
    193,549,459.20/290,324,188.80 = 111,920,121.60/x
  3. Step 3: Cross multiply
    193,549,459.20x = 290,324,188.80 × 111,920,121.60
  4. Step 4: Simplify right side
    193,549,459.20x = 32,493,118,513,917,356
  5. Step 5: Solve for x
    x = 32,493,118,513,917,356/193,549,459.20
  6. Step 6: Final answer
    x = 167,880,182.40

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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.