Home / 72,544,312.06-100,111,156.94-39,504,551.31

Finding the Fourth Proportional to 72,544,312.06, 100,111,156.94 and 39,504,551.31

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Solution

The fourth proportional to 72,544,312.06, 100,111,156.94 and 39,504,551.31 is: 54,516,284.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,544,312.06 : 100,111,156.94 = 39,504,551.31 : x
  2. Step 2: Convert to fraction form
    72,544,312.06/100,111,156.94 = 39,504,551.31/x
  3. Step 3: Cross multiply
    72,544,312.06x = 100,111,156.94 × 39,504,551.31
  4. Step 4: Simplify right side
    72,544,312.06x = 3,954,846,336,138,454
  5. Step 5: Solve for x
    x = 3,954,846,336,138,454/72,544,312.06
  6. Step 6: Final answer
    x = 54,516,284.24

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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.