Home / 66,033,720.40-99,064,577.40-19,971,806.80

Finding the Fourth Proportional to 66,033,720.40, 99,064,577.40 and 19,971,806.80

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Solution

The fourth proportional to 66,033,720.40, 99,064,577.40 and 19,971,806.80 is: 29,961,943.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,033,720.40 : 99,064,577.40 = 19,971,806.80 : x
  2. Step 2: Convert to fraction form
    66,033,720.40/99,064,577.40 = 19,971,806.80/x
  3. Step 3: Cross multiply
    66,033,720.40x = 99,064,577.40 × 19,971,806.80
  4. Step 4: Simplify right side
    66,033,720.40x = 1,978,498,600,556,446.50
  5. Step 5: Solve for x
    x = 1,978,498,600,556,446.50/66,033,720.40
  6. Step 6: Final answer
    x = 29,961,943.51

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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.