Home / 193,088,010.40-289,632,015.60-71,894,384.80

Finding the Fourth Proportional to 193,088,010.40, 289,632,015.60 and 71,894,384.80

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Solution

The fourth proportional to 193,088,010.40, 289,632,015.60 and 71,894,384.80 is: 107,841,577.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,088,010.40 : 289,632,015.60 = 71,894,384.80 : x
  2. Step 2: Convert to fraction form
    193,088,010.40/289,632,015.60 = 71,894,384.80/x
  3. Step 3: Cross multiply
    193,088,010.40x = 289,632,015.60 × 71,894,384.80
  4. Step 4: Simplify right side
    193,088,010.40x = 20,822,915,579,946,004
  5. Step 5: Solve for x
    x = 20,822,915,579,946,004/193,088,010.40
  6. Step 6: Final answer
    x = 107,841,577.20

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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.