Home / 309,013,037.56-463,447,647.42-115,015,814.92

Finding the Fourth Proportional to 309,013,037.56, 463,447,647.42 and 115,015,814.92

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Solution

The fourth proportional to 309,013,037.56, 463,447,647.42 and 115,015,814.92 is: 172,496,957.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,013,037.56 : 463,447,647.42 = 115,015,814.92 : x
  2. Step 2: Convert to fraction form
    309,013,037.56/463,447,647.42 = 115,015,814.92/x
  3. Step 3: Cross multiply
    309,013,037.56x = 463,447,647.42 × 115,015,814.92
  4. Step 4: Simplify right side
    309,013,037.56x = 53,303,808,840,768,136
  5. Step 5: Solve for x
    x = 53,303,808,840,768,136/309,013,037.56
  6. Step 6: Final answer
    x = 172,496,957.61

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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.