Home / 192,489,777.80-288,734,666.70-147,140,145.80

Finding the Fourth Proportional to 192,489,777.80, 288,734,666.70 and 147,140,145.80

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Solution

The fourth proportional to 192,489,777.80, 288,734,666.70 and 147,140,145.80 is: 220,710,218.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,489,777.80 : 288,734,666.70 = 147,140,145.80 : x
  2. Step 2: Convert to fraction form
    192,489,777.80/288,734,666.70 = 147,140,145.80/x
  3. Step 3: Cross multiply
    192,489,777.80x = 288,734,666.70 × 147,140,145.80
  4. Step 4: Simplify right side
    192,489,777.80x = 42,484,460,955,752,408
  5. Step 5: Solve for x
    x = 42,484,460,955,752,408/192,489,777.80
  6. Step 6: Final answer
    x = 220,710,218.70

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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.