Home / 55,750,998.78-76,905,384.66-51,805,406.10

Finding the Fourth Proportional to 55,750,998.78, 76,905,384.66 and 51,805,406.10

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Solution

The fourth proportional to 55,750,998.78, 76,905,384.66 and 51,805,406.10 is: 71,462,660.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,750,998.78 : 76,905,384.66 = 51,805,406.10 : x
  2. Step 2: Convert to fraction form
    55,750,998.78/76,905,384.66 = 51,805,406.10/x
  3. Step 3: Cross multiply
    55,750,998.78x = 76,905,384.66 × 51,805,406.10
  4. Step 4: Simplify right side
    55,750,998.78x = 3,984,114,683,588,010.50
  5. Step 5: Solve for x
    x = 3,984,114,683,588,010.50/55,750,998.78
  6. Step 6: Final answer
    x = 71,462,660.24

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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.