Home / 223,095,892.19-307,879,798.66-123,980,817.11

Finding the Fourth Proportional to 223,095,892.19, 307,879,798.66 and 123,980,817.11

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Solution

The fourth proportional to 223,095,892.19, 307,879,798.66 and 123,980,817.11 is: 171,097,677.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,095,892.19 : 307,879,798.66 = 123,980,817.11 : x
  2. Step 2: Convert to fraction form
    223,095,892.19/307,879,798.66 = 123,980,817.11/x
  3. Step 3: Cross multiply
    223,095,892.19x = 307,879,798.66 × 123,980,817.11
  4. Step 4: Simplify right side
    223,095,892.19x = 38,171,189,007,679,736
  5. Step 5: Solve for x
    x = 38,171,189,007,679,736/223,095,892.19
  6. Step 6: Final answer
    x = 171,097,677.48

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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.