Home / 39,699,566,443.98-59,566,934,922.57-20,808,364,535.64

Finding the Fourth Proportional to 39,699,566,443.98, 59,566,934,922.57 and 20,808,364,535.64

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Solution

The fourth proportional to 39,699,566,443.98, 59,566,934,922.57 and 20,808,364,535.64 is: 31,221,764,043.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,699,566,443.98 : 59,566,934,922.57 = 20,808,364,535.64 : x
  2. Step 2: Convert to fraction form
    39,699,566,443.98/59,566,934,922.57 = 20,808,364,535.64/x
  3. Step 3: Cross multiply
    39,699,566,443.98x = 59,566,934,922.57 × 20,808,364,535.64
  4. Step 4: Simplify right side
    39,699,566,443.98x = 1,239,490,496,139,581,456,384
  5. Step 5: Solve for x
    x = 1,239,490,496,139,581,456,384/39,699,566,443.98
  6. Step 6: Final answer
    x = 31,221,764,043.41

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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.