Home / 308,014,818.06-461,711,334.08-193,080,072.98

Finding the Fourth Proportional to 308,014,818.06, 461,711,334.08 and 193,080,072.98

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Solution

The fourth proportional to 308,014,818.06, 461,711,334.08 and 193,080,072.98 is: 289,425,225.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,014,818.06 : 461,711,334.08 = 193,080,072.98 : x
  2. Step 2: Convert to fraction form
    308,014,818.06/461,711,334.08 = 193,080,072.98/x
  3. Step 3: Cross multiply
    308,014,818.06x = 461,711,334.08 × 193,080,072.98
  4. Step 4: Simplify right side
    308,014,818.06x = 89,147,258,079,859,552
  5. Step 5: Solve for x
    x = 89,147,258,079,859,552/308,014,818.06
  6. Step 6: Final answer
    x = 289,425,225.19

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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.