Home / 207,903,669.45-311,855,504.18-198,337,731.45

Finding the Fourth Proportional to 207,903,669.45, 311,855,504.18 and 198,337,731.45

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Solution

The fourth proportional to 207,903,669.45, 311,855,504.18 and 198,337,731.45 is: 297,506,597.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,903,669.45 : 311,855,504.18 = 198,337,731.45 : x
  2. Step 2: Convert to fraction form
    207,903,669.45/311,855,504.18 = 198,337,731.45/x
  3. Step 3: Cross multiply
    207,903,669.45x = 311,855,504.18 × 198,337,731.45
  4. Step 4: Simplify right side
    207,903,669.45x = 61,852,713,238,265,504
  5. Step 5: Solve for x
    x = 61,852,713,238,265,504/207,903,669.45
  6. Step 6: Final answer
    x = 297,506,597.18

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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.