Home / 303,883,417.83-419,326,831.64-168,072,072.57

Finding the Fourth Proportional to 303,883,417.83, 419,326,831.64 and 168,072,072.57

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Solution

The fourth proportional to 303,883,417.83, 419,326,831.64 and 168,072,072.57 is: 231,921,603.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,883,417.83 : 419,326,831.64 = 168,072,072.57 : x
  2. Step 2: Convert to fraction form
    303,883,417.83/419,326,831.64 = 168,072,072.57/x
  3. Step 3: Cross multiply
    303,883,417.83x = 419,326,831.64 × 168,072,072.57
  4. Step 4: Simplify right side
    303,883,417.83x = 70,477,129,675,849,616
  5. Step 5: Solve for x
    x = 70,477,129,675,849,616/303,883,417.83
  6. Step 6: Final answer
    x = 231,921,603.95

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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.