Home / 245,088,655.20-367,255,069.20-212,588,085.60

Finding the Fourth Proportional to 245,088,655.20, 367,255,069.20 and 212,588,085.60

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Solution

The fourth proportional to 245,088,655.20, 367,255,069.20 and 212,588,085.60 is: 318,554,328.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,088,655.20 : 367,255,069.20 = 212,588,085.60 : x
  2. Step 2: Convert to fraction form
    245,088,655.20/367,255,069.20 = 212,588,085.60/x
  3. Step 3: Cross multiply
    245,088,655.20x = 367,255,069.20 × 212,588,085.60
  4. Step 4: Simplify right side
    245,088,655.20x = 78,074,052,088,123,520
  5. Step 5: Solve for x
    x = 78,074,052,088,123,520/245,088,655.20
  6. Step 6: Final answer
    x = 318,554,328.94

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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.