Home / 81,334,643.88-112,237,767.18-46,046,961.48

Finding the Fourth Proportional to 81,334,643.88, 112,237,767.18 and 46,046,961.48

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Solution

The fourth proportional to 81,334,643.88, 112,237,767.18 and 46,046,961.48 is: 63,542,518.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,334,643.88 : 112,237,767.18 = 46,046,961.48 : x
  2. Step 2: Convert to fraction form
    81,334,643.88/112,237,767.18 = 46,046,961.48/x
  3. Step 3: Cross multiply
    81,334,643.88x = 112,237,767.18 × 46,046,961.48
  4. Step 4: Simplify right side
    81,334,643.88x = 5,168,208,141,938,668
  5. Step 5: Solve for x
    x = 5,168,208,141,938,668/81,334,643.88
  6. Step 6: Final answer
    x = 63,542,518.85

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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.