Home / 170,129,969.40-254,628,083.70-156,525,079.80

Finding the Fourth Proportional to 170,129,969.40, 254,628,083.70 and 156,525,079.80

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Solution

The fourth proportional to 170,129,969.40, 254,628,083.70 and 156,525,079.80 is: 234,266,080.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,129,969.40 : 254,628,083.70 = 156,525,079.80 : x
  2. Step 2: Convert to fraction form
    170,129,969.40/254,628,083.70 = 156,525,079.80/x
  3. Step 3: Cross multiply
    170,129,969.40x = 254,628,083.70 × 156,525,079.80
  4. Step 4: Simplify right side
    170,129,969.40x = 39,855,681,120,463,584
  5. Step 5: Solve for x
    x = 39,855,681,120,463,584/170,129,969.40
  6. Step 6: Final answer
    x = 234,266,080.58

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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.