Home / 129,368,009.60-194,052,014.40-126,817,092.80

Finding the Fourth Proportional to 129,368,009.60, 194,052,014.40 and 126,817,092.80

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Solution

The fourth proportional to 129,368,009.60, 194,052,014.40 and 126,817,092.80 is: 190,225,639.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,368,009.60 : 194,052,014.40 = 126,817,092.80 : x
  2. Step 2: Convert to fraction form
    129,368,009.60/194,052,014.40 = 126,817,092.80/x
  3. Step 3: Cross multiply
    129,368,009.60x = 194,052,014.40 × 126,817,092.80
  4. Step 4: Simplify right side
    129,368,009.60x = 24,609,112,318,191,736
  5. Step 5: Solve for x
    x = 24,609,112,318,191,736/129,368,009.60
  6. Step 6: Final answer
    x = 190,225,639.20

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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.