Home / 76,185,253.86-105,136,409.07-41,378,623.98

Finding the Fourth Proportional to 76,185,253.86, 105,136,409.07 and 41,378,623.98

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Solution

The fourth proportional to 76,185,253.86, 105,136,409.07 and 41,378,623.98 is: 57,102,913.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,185,253.86 : 105,136,409.07 = 41,378,623.98 : x
  2. Step 2: Convert to fraction form
    76,185,253.86/105,136,409.07 = 41,378,623.98/x
  3. Step 3: Cross multiply
    76,185,253.86x = 105,136,409.07 × 41,378,623.98
  4. Step 4: Simplify right side
    76,185,253.86x = 4,350,399,937,514,991
  5. Step 5: Solve for x
    x = 4,350,399,937,514,991/76,185,253.86
  6. Step 6: Final answer
    x = 57,102,913.19

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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.