Home / 189,427,688.70-261,266,166.39-163,010,568.51

Finding the Fourth Proportional to 189,427,688.70, 261,266,166.39 and 163,010,568.51

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Solution

The fourth proportional to 189,427,688.70, 261,266,166.39 and 163,010,568.51 is: 224,830,628.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,427,688.70 : 261,266,166.39 = 163,010,568.51 : x
  2. Step 2: Convert to fraction form
    189,427,688.70/261,266,166.39 = 163,010,568.51/x
  3. Step 3: Cross multiply
    189,427,688.70x = 261,266,166.39 × 163,010,568.51
  4. Step 4: Simplify right side
    189,427,688.70x = 42,589,146,315,662,152
  5. Step 5: Solve for x
    x = 42,589,146,315,662,152/189,427,688.70
  6. Step 6: Final answer
    x = 224,830,628.55

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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.