Home / 57,312,136.70-85,968,205.05-45,974,728.70

Finding the Fourth Proportional to 57,312,136.70, 85,968,205.05 and 45,974,728.70

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Solution

The fourth proportional to 57,312,136.70, 85,968,205.05 and 45,974,728.70 is: 68,962,093.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,312,136.70 : 85,968,205.05 = 45,974,728.70 : x
  2. Step 2: Convert to fraction form
    57,312,136.70/85,968,205.05 = 45,974,728.70/x
  3. Step 3: Cross multiply
    57,312,136.70x = 85,968,205.05 × 45,974,728.70
  4. Step 4: Simplify right side
    57,312,136.70x = 3,952,364,903,999,720
  5. Step 5: Solve for x
    x = 3,952,364,903,999,720/57,312,136.70
  6. Step 6: Final answer
    x = 68,962,093.05

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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.