Home / 55,147,415.40-82,721,123.10-14,757,899.40

Finding the Fourth Proportional to 55,147,415.40, 82,721,123.10 and 14,757,899.40

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Solution

The fourth proportional to 55,147,415.40, 82,721,123.10 and 14,757,899.40 is: 22,136,849.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,147,415.40 : 82,721,123.10 = 14,757,899.40 : x
  2. Step 2: Convert to fraction form
    55,147,415.40/82,721,123.10 = 14,757,899.40/x
  3. Step 3: Cross multiply
    55,147,415.40x = 82,721,123.10 × 14,757,899.40
  4. Step 4: Simplify right side
    55,147,415.40x = 1,220,790,012,964,816
  5. Step 5: Solve for x
    x = 1,220,790,012,964,816/55,147,415.40
  6. Step 6: Final answer
    x = 22,136,849.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.