Home / 74,914,461.84-112,371,837.26-28,878,010.01

Finding the Fourth Proportional to 74,914,461.84, 112,371,837.26 and 28,878,010.01

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Solution

The fourth proportional to 74,914,461.84, 112,371,837.26 and 28,878,010.01 is: 43,317,070.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,914,461.84 : 112,371,837.26 = 28,878,010.01 : x
  2. Step 2: Convert to fraction form
    74,914,461.84/112,371,837.26 = 28,878,010.01/x
  3. Step 3: Cross multiply
    74,914,461.84x = 112,371,837.26 × 28,878,010.01
  4. Step 4: Simplify right side
    74,914,461.84x = 3,245,075,040,530,121.50
  5. Step 5: Solve for x
    x = 3,245,075,040,530,121.50/74,914,461.84
  6. Step 6: Final answer
    x = 43,317,070.71

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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.