Home / 55,133,703.80-82,700,555.70-54,283,398.20

Finding the Fourth Proportional to 55,133,703.80, 82,700,555.70 and 54,283,398.20

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Solution

The fourth proportional to 55,133,703.80, 82,700,555.70 and 54,283,398.20 is: 81,425,097.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,133,703.80 : 82,700,555.70 = 54,283,398.20 : x
  2. Step 2: Convert to fraction form
    55,133,703.80/82,700,555.70 = 54,283,398.20/x
  3. Step 3: Cross multiply
    55,133,703.80x = 82,700,555.70 × 54,283,398.20
  4. Step 4: Simplify right side
    55,133,703.80x = 4,489,267,196,424,380
  5. Step 5: Solve for x
    x = 4,489,267,196,424,380/55,133,703.80
  6. Step 6: Final answer
    x = 81,425,097.30

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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.