Home / 347,285,972.55-520,532,703.05-139,891,675.80

Finding the Fourth Proportional to 347,285,972.55, 520,532,703.05 and 139,891,675.80

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Solution

The fourth proportional to 347,285,972.55, 520,532,703.05 and 139,891,675.80 is: 209,677,896.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,285,972.55 : 520,532,703.05 = 139,891,675.80 : x
  2. Step 2: Convert to fraction form
    347,285,972.55/520,532,703.05 = 139,891,675.80/x
  3. Step 3: Cross multiply
    347,285,972.55x = 520,532,703.05 × 139,891,675.80
  4. Step 4: Simplify right side
    347,285,972.55x = 72,818,192,137,668,816
  5. Step 5: Solve for x
    x = 72,818,192,137,668,816/347,285,972.55
  6. Step 6: Final answer
    x = 209,677,896.30

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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.