Home / 189,550,925.33-261,575,259.21-105,919,743.15

Finding the Fourth Proportional to 189,550,925.33, 261,575,259.21 and 105,919,743.15

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Solution

The fourth proportional to 189,550,925.33, 261,575,259.21 and 105,919,743.15 is: 146,166,441.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,550,925.33 : 261,575,259.21 = 105,919,743.15 : x
  2. Step 2: Convert to fraction form
    189,550,925.33/261,575,259.21 = 105,919,743.15/x
  3. Step 3: Cross multiply
    189,550,925.33x = 261,575,259.21 × 105,919,743.15
  4. Step 4: Simplify right side
    189,550,925.33x = 27,705,984,269,917,876
  5. Step 5: Solve for x
    x = 27,705,984,269,917,876/189,550,925.33
  6. Step 6: Final answer
    x = 146,166,441.67

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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.