Home / 76,757,341.52-105,976,261.10-45,405,462.38

Finding the Fourth Proportional to 76,757,341.52, 105,976,261.10 and 45,405,462.38

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Solution

The fourth proportional to 76,757,341.52, 105,976,261.10 and 45,405,462.38 is: 62,689,783.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,757,341.52 : 105,976,261.10 = 45,405,462.38 : x
  2. Step 2: Convert to fraction form
    76,757,341.52/105,976,261.10 = 45,405,462.38/x
  3. Step 3: Cross multiply
    76,757,341.52x = 105,976,261.10 × 45,405,462.38
  4. Step 4: Simplify right side
    76,757,341.52x = 4,811,901,136,132,740
  5. Step 5: Solve for x
    x = 4,811,901,136,132,740/76,757,341.52
  6. Step 6: Final answer
    x = 62,689,783.68

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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.