Home / 188,872,369,833.31-260,643,237,582.67-103,233,285,973.87

Finding the Fourth Proportional to 188,872,369,833.31, 260,643,237,582.67 and 103,233,285,973.87

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Solution

The fourth proportional to 188,872,369,833.31, 260,643,237,582.67 and 103,233,285,973.87 is: 142,461,588,776.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,872,369,833.31 : 260,643,237,582.67 = 103,233,285,973.87 : x
  2. Step 2: Convert to fraction form
    188,872,369,833.31/260,643,237,582.67 = 103,233,285,973.87/x
  3. Step 3: Cross multiply
    188,872,369,833.31x = 260,643,237,582.67 × 103,233,285,973.87
  4. Step 4: Simplify right side
    188,872,369,833.31x = 26,907,057,882,527,111,839,744
  5. Step 5: Solve for x
    x = 26,907,057,882,527,111,839,744/188,872,369,833.31
  6. Step 6: Final answer
    x = 142,461,588,776.98

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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.