Home / 210,135,768,898.50-315,138,462,562.71-75,812,797,223.82

Finding the Fourth Proportional to 210,135,768,898.50, 315,138,462,562.71 and 75,812,797,223.82

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Solution

The fourth proportional to 210,135,768,898.50, 315,138,462,562.71 and 75,812,797,223.82 is: 113,695,676,299.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,135,768,898.50 : 315,138,462,562.71 = 75,812,797,223.82 : x
  2. Step 2: Convert to fraction form
    210,135,768,898.50/315,138,462,562.71 = 75,812,797,223.82/x
  3. Step 3: Cross multiply
    210,135,768,898.50x = 315,138,462,562.71 × 75,812,797,223.82
  4. Step 4: Simplify right side
    210,135,768,898.50x = 23,891,528,359,693,128,826,880
  5. Step 5: Solve for x
    x = 23,891,528,359,693,128,826,880/210,135,768,898.50
  6. Step 6: Final answer
    x = 113,695,676,299.80

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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.