Home / 70,382,455.48-105,590,207.22-21,857,804.92

Finding the Fourth Proportional to 70,382,455.48, 105,590,207.22 and 21,857,804.92

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Solution

The fourth proportional to 70,382,455.48, 105,590,207.22 and 21,857,804.92 is: 32,791,839.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,382,455.48 : 105,590,207.22 = 21,857,804.92 : x
  2. Step 2: Convert to fraction form
    70,382,455.48/105,590,207.22 = 21,857,804.92/x
  3. Step 3: Cross multiply
    70,382,455.48x = 105,590,207.22 × 21,857,804.92
  4. Step 4: Simplify right side
    70,382,455.48x = 2,307,970,150,877,135.50
  5. Step 5: Solve for x
    x = 2,307,970,150,877,135.50/70,382,455.48
  6. Step 6: Final answer
    x = 32,791,839.03

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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.