Home / 193,345,397.80-290,018,096.70-185,787,125.80

Finding the Fourth Proportional to 193,345,397.80, 290,018,096.70 and 185,787,125.80

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Solution

The fourth proportional to 193,345,397.80, 290,018,096.70 and 185,787,125.80 is: 278,680,688.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,345,397.80 : 290,018,096.70 = 185,787,125.80 : x
  2. Step 2: Convert to fraction form
    193,345,397.80/290,018,096.70 = 185,787,125.80/x
  3. Step 3: Cross multiply
    193,345,397.80x = 290,018,096.70 × 185,787,125.80
  4. Step 4: Simplify right side
    193,345,397.80x = 53,881,628,615,879,464
  5. Step 5: Solve for x
    x = 53,881,628,615,879,464/193,345,397.80
  6. Step 6: Final answer
    x = 278,680,688.70

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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.