Home / 238,712,284.41-329,302,413.90-139,528,232.67

Finding the Fourth Proportional to 238,712,284.41, 329,302,413.90 and 139,528,232.67

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Solution

The fourth proportional to 238,712,284.41, 329,302,413.90 and 139,528,232.67 is: 192,478,505.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,712,284.41 : 329,302,413.90 = 139,528,232.67 : x
  2. Step 2: Convert to fraction form
    238,712,284.41/329,302,413.90 = 139,528,232.67/x
  3. Step 3: Cross multiply
    238,712,284.41x = 329,302,413.90 × 139,528,232.67
  4. Step 4: Simplify right side
    238,712,284.41x = 45,946,983,826,666,728
  5. Step 5: Solve for x
    x = 45,946,983,826,666,728/238,712,284.41
  6. Step 6: Final answer
    x = 192,478,505.83

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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.