Home / 21,296,617,687.20-31,944,926,530.80-5,575,411,927.20

Finding the Fourth Proportional to 21,296,617,687.20, 31,944,926,530.80 and 5,575,411,927.20

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Solution

The fourth proportional to 21,296,617,687.20, 31,944,926,530.80 and 5,575,411,927.20 is: 8,363,117,890.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,296,617,687.20 : 31,944,926,530.80 = 5,575,411,927.20 : x
  2. Step 2: Convert to fraction form
    21,296,617,687.20/31,944,926,530.80 = 5,575,411,927.20/x
  3. Step 3: Cross multiply
    21,296,617,687.20x = 31,944,926,530.80 × 5,575,411,927.20
  4. Step 4: Simplify right side
    21,296,617,687.20x = 178,106,124,393,350,037,504
  5. Step 5: Solve for x
    x = 178,106,124,393,350,037,504/21,296,617,687.20
  6. Step 6: Final answer
    x = 8,363,117,890.80

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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.