Home / 112,334,578.80-168,501,868.20-105,616,114.80

Finding the Fourth Proportional to 112,334,578.80, 168,501,868.20 and 105,616,114.80

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Solution

The fourth proportional to 112,334,578.80, 168,501,868.20 and 105,616,114.80 is: 158,424,172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,334,578.80 : 168,501,868.20 = 105,616,114.80 : x
  2. Step 2: Convert to fraction form
    112,334,578.80/168,501,868.20 = 105,616,114.80/x
  3. Step 3: Cross multiply
    112,334,578.80x = 168,501,868.20 × 105,616,114.80
  4. Step 4: Simplify right side
    112,334,578.80x = 17,796,512,655,825,668
  5. Step 5: Solve for x
    x = 17,796,512,655,825,668/112,334,578.80
  6. Step 6: Final answer
    x = 158,424,172.20

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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.