Home / 281,804,464.16-388,893,313.32-156,358,931.48

Finding the Fourth Proportional to 281,804,464.16, 388,893,313.32 and 156,358,931.48

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Solution

The fourth proportional to 281,804,464.16, 388,893,313.32 and 156,358,931.48 is: 215,777,074.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,804,464.16 : 388,893,313.32 = 156,358,931.48 : x
  2. Step 2: Convert to fraction form
    281,804,464.16/388,893,313.32 = 156,358,931.48/x
  3. Step 3: Cross multiply
    281,804,464.16x = 388,893,313.32 × 156,358,931.48
  4. Step 4: Simplify right side
    281,804,464.16x = 60,806,942,930,432,048
  5. Step 5: Solve for x
    x = 60,806,942,930,432,048/281,804,464.16
  6. Step 6: Final answer
    x = 215,777,074.76

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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.