Home / 201,864,129,820.95-278,658,274,049.13-125,778,135,710.60

Finding the Fourth Proportional to 201,864,129,820.95, 278,658,274,049.13 and 125,778,135,710.60

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Solution

The fourth proportional to 201,864,129,820.95, 278,658,274,049.13 and 125,778,135,710.60 is: 173,627,272,172.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,864,129,820.95 : 278,658,274,049.13 = 125,778,135,710.60 : x
  2. Step 2: Convert to fraction form
    201,864,129,820.95/278,658,274,049.13 = 125,778,135,710.60/x
  3. Step 3: Cross multiply
    201,864,129,820.95x = 278,658,274,049.13 × 125,778,135,710.60
  4. Step 4: Simplify right side
    201,864,129,820.95x = 35,049,118,210,233,041,158,144
  5. Step 5: Solve for x
    x = 35,049,118,210,233,041,158,144/201,864,129,820.95
  6. Step 6: Final answer
    x = 173,627,272,172.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.