Home / 112,093,402.80-168,266,075.40-86,647,220.40

Finding the Fourth Proportional to 112,093,402.80, 168,266,075.40 and 86,647,220.40

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Solution

The fourth proportional to 112,093,402.80, 168,266,075.40 and 86,647,220.40 is: 130,068,205.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,093,402.80 : 168,266,075.40 = 86,647,220.40 : x
  2. Step 2: Convert to fraction form
    112,093,402.80/168,266,075.40 = 86,647,220.40/x
  3. Step 3: Cross multiply
    112,093,402.80x = 168,266,075.40 × 86,647,220.40
  4. Step 4: Simplify right side
    112,093,402.80x = 14,579,787,721,026,820
  5. Step 5: Solve for x
    x = 14,579,787,721,026,820/112,093,402.80
  6. Step 6: Final answer
    x = 130,068,205.24

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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.