Home / 139,527,455.90-209,436,625.64-61,858,904.24

Finding the Fourth Proportional to 139,527,455.90, 209,436,625.64 and 61,858,904.24

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Solution

The fourth proportional to 139,527,455.90, 209,436,625.64 and 61,858,904.24 is: 92,852,837.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,527,455.90 : 209,436,625.64 = 61,858,904.24 : x
  2. Step 2: Convert to fraction form
    139,527,455.90/209,436,625.64 = 61,858,904.24/x
  3. Step 3: Cross multiply
    139,527,455.90x = 209,436,625.64 × 61,858,904.24
  4. Step 4: Simplify right side
    139,527,455.90x = 12,955,520,170,144,082
  5. Step 5: Solve for x
    x = 12,955,520,170,144,082/139,527,455.90
  6. Step 6: Final answer
    x = 92,852,837.36

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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.