Home / 188,872,369,832.81-260,643,237,581.98-103,233,285,973.37

Finding the Fourth Proportional to 188,872,369,832.81, 260,643,237,581.98 and 103,233,285,973.37

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Solution

The fourth proportional to 188,872,369,832.81, 260,643,237,581.98 and 103,233,285,973.37 is: 142,461,588,776.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,872,369,832.81 : 260,643,237,581.98 = 103,233,285,973.37 : x
  2. Step 2: Convert to fraction form
    188,872,369,832.81/260,643,237,581.98 = 103,233,285,973.37/x
  3. Step 3: Cross multiply
    188,872,369,832.81x = 260,643,237,581.98 × 103,233,285,973.37
  4. Step 4: Simplify right side
    188,872,369,832.81x = 26,907,057,882,325,558,755,328
  5. Step 5: Solve for x
    x = 26,907,057,882,325,558,755,328/188,872,369,832.81
  6. Step 6: Final answer
    x = 142,461,588,776.29

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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.