Home / 268,151,071.20-402,226,606.80-145,707,064.80

Finding the Fourth Proportional to 268,151,071.20, 402,226,606.80 and 145,707,064.80

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Solution

The fourth proportional to 268,151,071.20, 402,226,606.80 and 145,707,064.80 is: 218,560,597.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,151,071.20 : 402,226,606.80 = 145,707,064.80 : x
  2. Step 2: Convert to fraction form
    268,151,071.20/402,226,606.80 = 145,707,064.80/x
  3. Step 3: Cross multiply
    268,151,071.20x = 402,226,606.80 × 145,707,064.80
  4. Step 4: Simplify right side
    268,151,071.20x = 58,607,258,261,291,728
  5. Step 5: Solve for x
    x = 58,607,258,261,291,728/268,151,071.20
  6. Step 6: Final answer
    x = 218,560,597.20

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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.