Home / 72,609,923.39-100,201,696.33-40,014,875.39

Finding the Fourth Proportional to 72,609,923.39, 100,201,696.33 and 40,014,875.39

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Solution

The fourth proportional to 72,609,923.39, 100,201,696.33 and 40,014,875.39 is: 55,220,529.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,609,923.39 : 100,201,696.33 = 40,014,875.39 : x
  2. Step 2: Convert to fraction form
    72,609,923.39/100,201,696.33 = 40,014,875.39/x
  3. Step 3: Cross multiply
    72,609,923.39x = 100,201,696.33 × 40,014,875.39
  4. Step 4: Simplify right side
    72,609,923.39x = 4,009,558,392,548,987.50
  5. Step 5: Solve for x
    x = 4,009,558,392,548,987.50/72,609,923.39
  6. Step 6: Final answer
    x = 55,220,529.17

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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.