Home / 51,519,105.16-71,098,070.16-28,315,054.60

Finding the Fourth Proportional to 51,519,105.16, 71,098,070.16 and 28,315,054.60

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Solution

The fourth proportional to 51,519,105.16, 71,098,070.16 and 28,315,054.60 is: 39,075,712.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,519,105.16 : 71,098,070.16 = 28,315,054.60 : x
  2. Step 2: Convert to fraction form
    51,519,105.16/71,098,070.16 = 28,315,054.60/x
  3. Step 3: Cross multiply
    51,519,105.16x = 71,098,070.16 × 28,315,054.60
  4. Step 4: Simplify right side
    51,519,105.16x = 2,013,145,738,535,030.75
  5. Step 5: Solve for x
    x = 2,013,145,738,535,030.75/51,519,105.16
  6. Step 6: Final answer
    x = 39,075,712.44

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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.