Home / 79,718,704.40-119,578,056.60-60,445,110.80

Finding the Fourth Proportional to 79,718,704.40, 119,578,056.60 and 60,445,110.80

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Solution

The fourth proportional to 79,718,704.40, 119,578,056.60 and 60,445,110.80 is: 90,667,666.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,718,704.40 : 119,578,056.60 = 60,445,110.80 : x
  2. Step 2: Convert to fraction form
    79,718,704.40/119,578,056.60 = 60,445,110.80/x
  3. Step 3: Cross multiply
    79,718,704.40x = 119,578,056.60 × 60,445,110.80
  4. Step 4: Simplify right side
    79,718,704.40x = 7,227,908,880,435,671
  5. Step 5: Solve for x
    x = 7,227,908,880,435,671/79,718,704.40
  6. Step 6: Final answer
    x = 90,667,666.20

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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.