Home / 358,267,666.20-537,208,850.70-210,766,216.56

Finding the Fourth Proportional to 358,267,666.20, 537,208,850.70 and 210,766,216.56

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Solution

The fourth proportional to 358,267,666.20, 537,208,850.70 and 210,766,216.56 is: 316,035,991.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,267,666.20 : 537,208,850.70 = 210,766,216.56 : x
  2. Step 2: Convert to fraction form
    358,267,666.20/537,208,850.70 = 210,766,216.56/x
  3. Step 3: Cross multiply
    358,267,666.20x = 537,208,850.70 × 210,766,216.56
  4. Step 4: Simplify right side
    358,267,666.20x = 113,225,476,964,584,912
  5. Step 5: Solve for x
    x = 113,225,476,964,584,912/358,267,666.20
  6. Step 6: Final answer
    x = 316,035,991.09

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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.