Home / 72,655,112.70-100,288,347.75-43,295,653.44

Finding the Fourth Proportional to 72,655,112.70, 100,288,347.75 and 43,295,653.44

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Solution

The fourth proportional to 72,655,112.70, 100,288,347.75 and 43,295,653.44 is: 59,762,477.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,655,112.70 : 100,288,347.75 = 43,295,653.44 : x
  2. Step 2: Convert to fraction form
    72,655,112.70/100,288,347.75 = 43,295,653.44/x
  3. Step 3: Cross multiply
    72,655,112.70x = 100,288,347.75 × 43,295,653.44
  4. Step 4: Simplify right side
    72,655,112.70x = 4,342,049,548,254,203.50
  5. Step 5: Solve for x
    x = 4,342,049,548,254,203.50/72,655,112.70
  6. Step 6: Final answer
    x = 59,762,477.64

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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.