Home / 268,150,603.20-402,225,904.80-145,706,596.80

Finding the Fourth Proportional to 268,150,603.20, 402,225,904.80 and 145,706,596.80

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Solution

The fourth proportional to 268,150,603.20, 402,225,904.80 and 145,706,596.80 is: 218,559,895.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,150,603.20 : 402,225,904.80 = 145,706,596.80 : x
  2. Step 2: Convert to fraction form
    268,150,603.20/402,225,904.80 = 145,706,596.80/x
  3. Step 3: Cross multiply
    268,150,603.20x = 402,225,904.80 × 145,706,596.80
  4. Step 4: Simplify right side
    268,150,603.20x = 58,606,967,733,208,792
  5. Step 5: Solve for x
    x = 58,606,967,733,208,792/268,150,603.20
  6. Step 6: Final answer
    x = 218,559,895.20

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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.