Home / 119,232,445.20-178,848,667.80-84,595,030.80

Finding the Fourth Proportional to 119,232,445.20, 178,848,667.80 and 84,595,030.80

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Solution

The fourth proportional to 119,232,445.20, 178,848,667.80 and 84,595,030.80 is: 126,892,546.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,232,445.20 : 178,848,667.80 = 84,595,030.80 : x
  2. Step 2: Convert to fraction form
    119,232,445.20/178,848,667.80 = 84,595,030.80/x
  3. Step 3: Cross multiply
    119,232,445.20x = 178,848,667.80 × 84,595,030.80
  4. Step 4: Simplify right side
    119,232,445.20x = 15,129,708,561,079,968
  5. Step 5: Solve for x
    x = 15,129,708,561,079,968/119,232,445.20
  6. Step 6: Final answer
    x = 126,892,546.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.