Home / 66,546,379.35-99,804,478.68-30,130,729.83

Finding the Fourth Proportional to 66,546,379.35, 99,804,478.68 and 30,130,729.83

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Solution

The fourth proportional to 66,546,379.35, 99,804,478.68 and 30,130,729.83 is: 45,189,262.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,546,379.35 : 99,804,478.68 = 30,130,729.83 : x
  2. Step 2: Convert to fraction form
    66,546,379.35/99,804,478.68 = 30,130,729.83/x
  3. Step 3: Cross multiply
    66,546,379.35x = 99,804,478.68 × 30,130,729.83
  4. Step 4: Simplify right side
    66,546,379.35x = 3,007,181,782,931,075
  5. Step 5: Solve for x
    x = 3,007,181,782,931,075/66,546,379.35
  6. Step 6: Final answer
    x = 45,189,262.17

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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.