Home / 83,075,661.20-124,613,491.80-40,028,940.20

Finding the Fourth Proportional to 83,075,661.20, 124,613,491.80 and 40,028,940.20

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Solution

The fourth proportional to 83,075,661.20, 124,613,491.80 and 40,028,940.20 is: 60,043,410.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,075,661.20 : 124,613,491.80 = 40,028,940.20 : x
  2. Step 2: Convert to fraction form
    83,075,661.20/124,613,491.80 = 40,028,940.20/x
  3. Step 3: Cross multiply
    83,075,661.20x = 124,613,491.80 × 40,028,940.20
  4. Step 4: Simplify right side
    83,075,661.20x = 4,988,146,011,375,391
  5. Step 5: Solve for x
    x = 4,988,146,011,375,391/83,075,661.20
  6. Step 6: Final answer
    x = 60,043,410.30

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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.