Home / 55,683,823.75-76,842,733.93-31,237,012.87

Finding the Fourth Proportional to 55,683,823.75, 76,842,733.93 and 31,237,012.87

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Solution

The fourth proportional to 55,683,823.75, 76,842,733.93 and 31,237,012.87 is: 43,106,548.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,683,823.75 : 76,842,733.93 = 31,237,012.87 : x
  2. Step 2: Convert to fraction form
    55,683,823.75/76,842,733.93 = 31,237,012.87/x
  3. Step 3: Cross multiply
    55,683,823.75x = 76,842,733.93 × 31,237,012.87
  4. Step 4: Simplify right side
    55,683,823.75x = 2,400,337,468,737,396
  5. Step 5: Solve for x
    x = 2,400,337,468,737,396/55,683,823.75
  6. Step 6: Final answer
    x = 43,106,548.85

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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.