Home / 313,918,497.81-433,204,089.23-172,786,700.81

Finding the Fourth Proportional to 313,918,497.81, 433,204,089.23 and 172,786,700.81

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Solution

The fourth proportional to 313,918,497.81, 433,204,089.23 and 172,786,700.81 is: 238,443,754.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,918,497.81 : 433,204,089.23 = 172,786,700.81 : x
  2. Step 2: Convert to fraction form
    313,918,497.81/433,204,089.23 = 172,786,700.81/x
  3. Step 3: Cross multiply
    313,918,497.81x = 433,204,089.23 × 172,786,700.81
  4. Step 4: Simplify right side
    313,918,497.81x = 74,851,905,356,967,536
  5. Step 5: Solve for x
    x = 74,851,905,356,967,536/313,918,497.81
  6. Step 6: Final answer
    x = 238,443,754.92

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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.