Home / 282,199,232.61-389,347,082.19-163,078,427.81

Finding the Fourth Proportional to 282,199,232.61, 389,347,082.19 and 163,078,427.81

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Solution

The fourth proportional to 282,199,232.61, 389,347,082.19 and 163,078,427.81 is: 224,997,458.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,199,232.61 : 389,347,082.19 = 163,078,427.81 : x
  2. Step 2: Convert to fraction form
    282,199,232.61/389,347,082.19 = 163,078,427.81/x
  3. Step 3: Cross multiply
    282,199,232.61x = 389,347,082.19 × 163,078,427.81
  4. Step 4: Simplify right side
    282,199,232.61x = 63,494,110,033,193,928
  5. Step 5: Solve for x
    x = 63,494,110,033,193,928/282,199,232.61
  6. Step 6: Final answer
    x = 224,997,458.17

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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.