Home / 81,492,916-112,476,199.44-46,708,920.40

Finding the Fourth Proportional to 81,492,916, 112,476,199.44 and 46,708,920.40

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Solution

The fourth proportional to 81,492,916, 112,476,199.44 and 46,708,920.40 is: 64,467,466.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,492,916 : 112,476,199.44 = 46,708,920.40 : x
  2. Step 2: Convert to fraction form
    81,492,916/112,476,199.44 = 46,708,920.40/x
  3. Step 3: Cross multiply
    81,492,916x = 112,476,199.44 × 46,708,920.40
  4. Step 4: Simplify right side
    81,492,916x = 5,253,641,846,537,484
  5. Step 5: Solve for x
    x = 5,253,641,846,537,484/81,492,916
  6. Step 6: Final answer
    x = 64,467,466.68

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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.