Home / 54,560,358.40-81,872,030.40-20,485,148.80

Finding the Fourth Proportional to 54,560,358.40, 81,872,030.40 and 20,485,148.80

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Solution

The fourth proportional to 54,560,358.40, 81,872,030.40 and 20,485,148.80 is: 30,739,547.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,560,358.40 : 81,872,030.40 = 20,485,148.80 : x
  2. Step 2: Convert to fraction form
    54,560,358.40/81,872,030.40 = 20,485,148.80/x
  3. Step 3: Cross multiply
    54,560,358.40x = 81,872,030.40 × 20,485,148.80
  4. Step 4: Simplify right side
    54,560,358.40x = 1,677,160,725,302,123.75
  5. Step 5: Solve for x
    x = 1,677,160,725,302,123.75/54,560,358.40
  6. Step 6: Final answer
    x = 30,739,547.44

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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.