Home / 136,727,966.27-188,684,578.88-74,004,053.81

Finding the Fourth Proportional to 136,727,966.27, 188,684,578.88 and 74,004,053.81

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Solution

The fourth proportional to 136,727,966.27, 188,684,578.88 and 74,004,053.81 is: 102,125,586.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,727,966.27 : 188,684,578.88 = 74,004,053.81 : x
  2. Step 2: Convert to fraction form
    136,727,966.27/188,684,578.88 = 74,004,053.81/x
  3. Step 3: Cross multiply
    136,727,966.27x = 188,684,578.88 × 74,004,053.81
  4. Step 4: Simplify right side
    136,727,966.27x = 13,963,423,728,552,710
  5. Step 5: Solve for x
    x = 13,963,423,728,552,710/136,727,966.27
  6. Step 6: Final answer
    x = 102,125,586.37

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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.