Home / 168,237,101.20-252,379,271.40-53,209,649.20

Finding the Fourth Proportional to 168,237,101.20, 252,379,271.40 and 53,209,649.20

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Solution

The fourth proportional to 168,237,101.20, 252,379,271.40 and 53,209,649.20 is: 79,821,944.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,237,101.20 : 252,379,271.40 = 53,209,649.20 : x
  2. Step 2: Convert to fraction form
    168,237,101.20/252,379,271.40 = 53,209,649.20/x
  3. Step 3: Cross multiply
    168,237,101.20x = 252,379,271.40 × 53,209,649.20
  4. Step 4: Simplify right side
    168,237,101.20x = 13,429,012,496,545,594
  5. Step 5: Solve for x
    x = 13,429,012,496,545,594/168,237,101.20
  6. Step 6: Final answer
    x = 79,821,944.15

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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.