Home / 81,302,586.72-112,199,816.16-46,017,587.04

Finding the Fourth Proportional to 81,302,586.72, 112,199,816.16 and 46,017,587.04

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Solution

The fourth proportional to 81,302,586.72, 112,199,816.16 and 46,017,587.04 is: 63,505,541.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,302,586.72 : 112,199,816.16 = 46,017,587.04 : x
  2. Step 2: Convert to fraction form
    81,302,586.72/112,199,816.16 = 46,017,587.04/x
  3. Step 3: Cross multiply
    81,302,586.72x = 112,199,816.16 × 46,017,587.04
  4. Step 4: Simplify right side
    81,302,586.72x = 5,163,164,806,014,798
  5. Step 5: Solve for x
    x = 5,163,164,806,014,798/81,302,586.72
  6. Step 6: Final answer
    x = 63,505,541.64

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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.