Home / 119,391,017.60-178,998,052.80-80,956,611.20

Finding the Fourth Proportional to 119,391,017.60, 178,998,052.80 and 80,956,611.20

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Solution

The fourth proportional to 119,391,017.60, 178,998,052.80 and 80,956,611.20 is: 121,374,924.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,391,017.60 : 178,998,052.80 = 80,956,611.20 : x
  2. Step 2: Convert to fraction form
    119,391,017.60/178,998,052.80 = 80,956,611.20/x
  3. Step 3: Cross multiply
    119,391,017.60x = 178,998,052.80 × 80,956,611.20
  4. Step 4: Simplify right side
    119,391,017.60x = 14,491,075,766,086,672
  5. Step 5: Solve for x
    x = 14,491,075,766,086,672/119,391,017.60
  6. Step 6: Final answer
    x = 121,374,924.66

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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.