Home / 312,174,137.30-468,282,751.95-90,847,307.49

Finding the Fourth Proportional to 312,174,137.30, 468,282,751.95 and 90,847,307.49

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Solution

The fourth proportional to 312,174,137.30, 468,282,751.95 and 90,847,307.49 is: 136,277,231.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,174,137.30 : 468,282,751.95 = 90,847,307.49 : x
  2. Step 2: Convert to fraction form
    312,174,137.30/468,282,751.95 = 90,847,307.49/x
  3. Step 3: Cross multiply
    312,174,137.30x = 468,282,751.95 × 90,847,307.49
  4. Step 4: Simplify right side
    312,174,137.30x = 42,542,227,158,665,040
  5. Step 5: Solve for x
    x = 42,542,227,158,665,040/312,174,137.30
  6. Step 6: Final answer
    x = 136,277,231.44

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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.