Home / 193,628,062.86-290,503,492.57-69,128,020.64

Finding the Fourth Proportional to 193,628,062.86, 290,503,492.57 and 69,128,020.64

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Solution

The fourth proportional to 193,628,062.86, 290,503,492.57 and 69,128,020.64 is: 103,713,951.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,628,062.86 : 290,503,492.57 = 69,128,020.64 : x
  2. Step 2: Convert to fraction form
    193,628,062.86/290,503,492.57 = 69,128,020.64/x
  3. Step 3: Cross multiply
    193,628,062.86x = 290,503,492.57 × 69,128,020.64
  4. Step 4: Simplify right side
    193,628,062.86x = 20,081,931,430,172,388
  5. Step 5: Solve for x
    x = 20,081,931,430,172,388/193,628,062.86
  6. Step 6: Final answer
    x = 103,713,951.03

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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.