Home / 57,725,071.76-79,660,573.85-31,263,426.80

Finding the Fourth Proportional to 57,725,071.76, 79,660,573.85 and 31,263,426.80

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Solution

The fourth proportional to 57,725,071.76, 79,660,573.85 and 31,263,426.80 is: 43,143,515.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,725,071.76 : 79,660,573.85 = 31,263,426.80 : x
  2. Step 2: Convert to fraction form
    57,725,071.76/79,660,573.85 = 31,263,426.80/x
  3. Step 3: Cross multiply
    57,725,071.76x = 79,660,573.85 × 31,263,426.80
  4. Step 4: Simplify right side
    57,725,071.76x = 2,490,462,519,026,706
  5. Step 5: Solve for x
    x = 2,490,462,519,026,706/57,725,071.76
  6. Step 6: Final answer
    x = 43,143,515.34

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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.