Home / 193,345,803.82-266,822,879.79-105,245,547.94

Finding the Fourth Proportional to 193,345,803.82, 266,822,879.79 and 105,245,547.94

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Solution

The fourth proportional to 193,345,803.82, 266,822,879.79 and 105,245,547.94 is: 145,241,942.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,345,803.82 : 266,822,879.79 = 105,245,547.94 : x
  2. Step 2: Convert to fraction form
    193,345,803.82/266,822,879.79 = 105,245,547.94/x
  3. Step 3: Cross multiply
    193,345,803.82x = 266,822,879.79 × 105,245,547.94
  4. Step 4: Simplify right side
    193,345,803.82x = 28,081,920,186,427,300
  5. Step 5: Solve for x
    x = 28,081,920,186,427,300/193,345,803.82
  6. Step 6: Final answer
    x = 145,241,942.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.