Home / 154,957,879.95-213,837,506.62-84,391,897.38

Finding the Fourth Proportional to 154,957,879.95, 213,837,506.62 and 84,391,897.38

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Solution

The fourth proportional to 154,957,879.95, 213,837,506.62 and 84,391,897.38 is: 116,458,439.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,957,879.95 : 213,837,506.62 = 84,391,897.38 : x
  2. Step 2: Convert to fraction form
    154,957,879.95/213,837,506.62 = 84,391,897.38/x
  3. Step 3: Cross multiply
    154,957,879.95x = 213,837,506.62 × 84,391,897.38
  4. Step 4: Simplify right side
    154,957,879.95x = 18,046,152,913,657,240
  5. Step 5: Solve for x
    x = 18,046,152,913,657,240/154,957,879.95
  6. Step 6: Final answer
    x = 116,458,439.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.