Home / 53,178,096.10-79,802,992.31-18,634,808.56

Finding the Fourth Proportional to 53,178,096.10, 79,802,992.31 and 18,634,808.56

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Solution

The fourth proportional to 53,178,096.10, 79,802,992.31 and 18,634,808.56 is: 27,964,774.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,178,096.10 : 79,802,992.31 = 18,634,808.56 : x
  2. Step 2: Convert to fraction form
    53,178,096.10/79,802,992.31 = 18,634,808.56/x
  3. Step 3: Cross multiply
    53,178,096.10x = 79,802,992.31 × 18,634,808.56
  4. Step 4: Simplify right side
    53,178,096.10x = 1,487,113,483,812,987.25
  5. Step 5: Solve for x
    x = 1,487,113,483,812,987.25/53,178,096.10
  6. Step 6: Final answer
    x = 27,964,774.84

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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.