Home / 129,024,007.80-193,536,011.70-52,383,751.80

Finding the Fourth Proportional to 129,024,007.80, 193,536,011.70 and 52,383,751.80

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Solution

The fourth proportional to 129,024,007.80, 193,536,011.70 and 52,383,751.80 is: 78,575,627.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,024,007.80 : 193,536,011.70 = 52,383,751.80 : x
  2. Step 2: Convert to fraction form
    129,024,007.80/193,536,011.70 = 52,383,751.80/x
  3. Step 3: Cross multiply
    129,024,007.80x = 193,536,011.70 × 52,383,751.80
  4. Step 4: Simplify right side
    129,024,007.80x = 10,138,142,401,254,694
  5. Step 5: Solve for x
    x = 10,138,142,401,254,694/129,024,007.80
  6. Step 6: Final answer
    x = 78,575,627.70

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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.