Home / 309,013,100.48-463,447,741.53-115,015,877.84

Finding the Fourth Proportional to 309,013,100.48, 463,447,741.53 and 115,015,877.84

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Solution

The fourth proportional to 309,013,100.48, 463,447,741.53 and 115,015,877.84 is: 172,497,051.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,013,100.48 : 463,447,741.53 = 115,015,877.84 : x
  2. Step 2: Convert to fraction form
    309,013,100.48/463,447,741.53 = 115,015,877.84/x
  3. Step 3: Cross multiply
    309,013,100.48x = 463,447,741.53 × 115,015,877.84
  4. Step 4: Simplify right side
    309,013,100.48x = 53,303,848,825,038,376
  5. Step 5: Solve for x
    x = 53,303,848,825,038,376/309,013,100.48
  6. Step 6: Final answer
    x = 172,497,051.88

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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.