Home / 168,237,152.20-252,379,347.90-53,209,700.20

Finding the Fourth Proportional to 168,237,152.20, 252,379,347.90 and 53,209,700.20

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Solution

The fourth proportional to 168,237,152.20, 252,379,347.90 and 53,209,700.20 is: 79,822,020.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,237,152.20 : 252,379,347.90 = 53,209,700.20 : x
  2. Step 2: Convert to fraction form
    168,237,152.20/252,379,347.90 = 53,209,700.20/x
  3. Step 3: Cross multiply
    168,237,152.20x = 252,379,347.90 × 53,209,700.20
  4. Step 4: Simplify right side
    168,237,152.20x = 13,429,029,438,430,500
  5. Step 5: Solve for x
    x = 13,429,029,438,430,500/168,237,152.20
  6. Step 6: Final answer
    x = 79,822,020.66

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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.