Home / 76,172,973.65-105,150,880.11-51,426,677.63

Finding the Fourth Proportional to 76,172,973.65, 105,150,880.11 and 51,426,677.63

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Solution

The fourth proportional to 76,172,973.65, 105,150,880.11 and 51,426,677.63 is: 70,990,538.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,172,973.65 : 105,150,880.11 = 51,426,677.63 : x
  2. Step 2: Convert to fraction form
    76,172,973.65/105,150,880.11 = 51,426,677.63/x
  3. Step 3: Cross multiply
    76,172,973.65x = 105,150,880.11 × 51,426,677.63
  4. Step 4: Simplify right side
    76,172,973.65x = 5,407,560,413,401,995
  5. Step 5: Solve for x
    x = 5,407,560,413,401,995/76,172,973.65
  6. Step 6: Final answer
    x = 70,990,538.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.