Home / 72,609,923.41-100,201,696.35-40,014,875.41

Finding the Fourth Proportional to 72,609,923.41, 100,201,696.35 and 40,014,875.41

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Solution

The fourth proportional to 72,609,923.41, 100,201,696.35 and 40,014,875.41 is: 55,220,529.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,609,923.41 : 100,201,696.35 = 40,014,875.41 : x
  2. Step 2: Convert to fraction form
    72,609,923.41/100,201,696.35 = 40,014,875.41/x
  3. Step 3: Cross multiply
    72,609,923.41x = 100,201,696.35 × 40,014,875.41
  4. Step 4: Simplify right side
    72,609,923.41x = 4,009,558,394,915,341.50
  5. Step 5: Solve for x
    x = 4,009,558,394,915,341.50/72,609,923.41
  6. Step 6: Final answer
    x = 55,220,529.19

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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.