Home / 170,129,920.40-254,628,010.20-156,525,030.80

Finding the Fourth Proportional to 170,129,920.40, 254,628,010.20 and 156,525,030.80

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Solution

The fourth proportional to 170,129,920.40, 254,628,010.20 and 156,525,030.80 is: 234,266,007.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,129,920.40 : 254,628,010.20 = 156,525,030.80 : x
  2. Step 2: Convert to fraction form
    170,129,920.40/254,628,010.20 = 156,525,030.80/x
  3. Step 3: Cross multiply
    170,129,920.40x = 254,628,010.20 × 156,525,030.80
  4. Step 4: Simplify right side
    170,129,920.40x = 39,855,657,139,097,712
  5. Step 5: Solve for x
    x = 39,855,657,139,097,712/170,129,920.40
  6. Step 6: Final answer
    x = 234,266,007.09

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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.