Home / 189,427,712.81-261,266,199.44-163,010,592.59

Finding the Fourth Proportional to 189,427,712.81, 261,266,199.44 and 163,010,592.59

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Solution

The fourth proportional to 189,427,712.81, 261,266,199.44 and 163,010,592.59 is: 224,830,661.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,427,712.81 : 261,266,199.44 = 163,010,592.59 : x
  2. Step 2: Convert to fraction form
    189,427,712.81/261,266,199.44 = 163,010,592.59/x
  3. Step 3: Cross multiply
    189,427,712.81x = 261,266,199.44 × 163,010,592.59
  4. Step 4: Simplify right side
    189,427,712.81x = 42,589,157,992,330,144
  5. Step 5: Solve for x
    x = 42,589,157,992,330,144/189,427,712.81
  6. Step 6: Final answer
    x = 224,830,661.58

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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.