Home / 83,075,653.70-124,613,480.55-40,028,932.70

Finding the Fourth Proportional to 83,075,653.70, 124,613,480.55 and 40,028,932.70

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Solution

The fourth proportional to 83,075,653.70, 124,613,480.55 and 40,028,932.70 is: 60,043,399.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,075,653.70 : 124,613,480.55 = 40,028,932.70 : x
  2. Step 2: Convert to fraction form
    83,075,653.70/124,613,480.55 = 40,028,932.70/x
  3. Step 3: Cross multiply
    83,075,653.70x = 124,613,480.55 × 40,028,932.70
  4. Step 4: Simplify right side
    83,075,653.70x = 4,988,144,626,448,709
  5. Step 5: Solve for x
    x = 4,988,144,626,448,709/83,075,653.70
  6. Step 6: Final answer
    x = 60,043,399.05

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1.5x scale

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.