Home / 243,172,869.36-364,757,015.88-105,096,103.44

Finding the Fourth Proportional to 243,172,869.36, 364,757,015.88 and 105,096,103.44

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Solution

The fourth proportional to 243,172,869.36, 364,757,015.88 and 105,096,103.44 is: 157,643,166.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,172,869.36 : 364,757,015.88 = 105,096,103.44 : x
  2. Step 2: Convert to fraction form
    243,172,869.36/364,757,015.88 = 105,096,103.44/x
  3. Step 3: Cross multiply
    243,172,869.36x = 364,757,015.88 × 105,096,103.44
  4. Step 4: Simplify right side
    243,172,869.36x = 38,334,541,071,390,200
  5. Step 5: Solve for x
    x = 38,334,541,071,390,200/243,172,869.36
  6. Step 6: Final answer
    x = 157,643,166.25

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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.