Home / 112,340,898.09-155,017,012.86-62,098,329.78

Finding the Fourth Proportional to 112,340,898.09, 155,017,012.86 and 62,098,329.78

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Solution

The fourth proportional to 112,340,898.09, 155,017,012.86 and 62,098,329.78 is: 85,688,273.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,340,898.09 : 155,017,012.86 = 62,098,329.78 : x
  2. Step 2: Convert to fraction form
    112,340,898.09/155,017,012.86 = 62,098,329.78/x
  3. Step 3: Cross multiply
    112,340,898.09x = 155,017,012.86 × 62,098,329.78
  4. Step 4: Simplify right side
    112,340,898.09x = 9,626,297,586,090,782
  5. Step 5: Solve for x
    x = 9,626,297,586,090,782/112,340,898.09
  6. Step 6: Final answer
    x = 85,688,273.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.