Home / 64,162,217.80-96,266,946.30-21,032,828.20

Finding the Fourth Proportional to 64,162,217.80, 96,266,946.30 and 21,032,828.20

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Solution

The fourth proportional to 64,162,217.80, 96,266,946.30 and 21,032,828.20 is: 31,556,984.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,162,217.80 : 96,266,946.30 = 21,032,828.20 : x
  2. Step 2: Convert to fraction form
    64,162,217.80/96,266,946.30 = 21,032,828.20/x
  3. Step 3: Cross multiply
    64,162,217.80x = 96,266,946.30 × 21,032,828.20
  4. Step 4: Simplify right side
    64,162,217.80x = 2,024,766,142,866,525.50
  5. Step 5: Solve for x
    x = 2,024,766,142,866,525.50/64,162,217.80
  6. Step 6: Final answer
    x = 31,556,984.97

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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.