Home / 56,218,530,011.90-84,324,825,044.79-18,440,129,042.87

Finding the Fourth Proportional to 56,218,530,011.90, 84,324,825,044.79 and 18,440,129,042.87

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Solution

The fourth proportional to 56,218,530,011.90, 84,324,825,044.79 and 18,440,129,042.87 is: 27,659,219,389.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,218,530,011.90 : 84,324,825,044.79 = 18,440,129,042.87 : x
  2. Step 2: Convert to fraction form
    56,218,530,011.90/84,324,825,044.79 = 18,440,129,042.87/x
  3. Step 3: Cross multiply
    56,218,530,011.90x = 84,324,825,044.79 × 18,440,129,042.87
  4. Step 4: Simplify right side
    56,218,530,011.90x = 1,554,960,655,343,271,280,640
  5. Step 5: Solve for x
    x = 1,554,960,655,343,271,280,640/56,218,530,011.90
  6. Step 6: Final answer
    x = 27,659,219,389.30

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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.