Home / 100,939,221.98-151,410,034.47-28,151,574.11

Finding the Fourth Proportional to 100,939,221.98, 151,410,034.47 and 28,151,574.11

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Solution

The fourth proportional to 100,939,221.98, 151,410,034.47 and 28,151,574.11 is: 42,227,696.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,939,221.98 : 151,410,034.47 = 28,151,574.11 : x
  2. Step 2: Convert to fraction form
    100,939,221.98/151,410,034.47 = 28,151,574.11/x
  3. Step 3: Cross multiply
    100,939,221.98x = 151,410,034.47 × 28,151,574.11
  4. Step 4: Simplify right side
    100,939,221.98x = 4,262,430,806,379,859.50
  5. Step 5: Solve for x
    x = 4,262,430,806,379,859.50/100,939,221.98
  6. Step 6: Final answer
    x = 42,227,696.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.