Home / 170,129,919.90-254,628,009.45-156,525,030.30

Finding the Fourth Proportional to 170,129,919.90, 254,628,009.45 and 156,525,030.30

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Solution

The fourth proportional to 170,129,919.90, 254,628,009.45 and 156,525,030.30 is: 234,266,006.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,129,919.90 : 254,628,009.45 = 156,525,030.30 : x
  2. Step 2: Convert to fraction form
    170,129,919.90/254,628,009.45 = 156,525,030.30/x
  3. Step 3: Cross multiply
    170,129,919.90x = 254,628,009.45 × 156,525,030.30
  4. Step 4: Simplify right side
    170,129,919.90x = 39,855,656,894,389,936
  5. Step 5: Solve for x
    x = 39,855,656,894,389,936/170,129,919.90
  6. Step 6: Final answer
    x = 234,266,006.34

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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.