Home / 145,382,329.56-218,075,393.83-48,338,037.15

Finding the Fourth Proportional to 145,382,329.56, 218,075,393.83 and 48,338,037.15

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Solution

The fourth proportional to 145,382,329.56, 218,075,393.83 and 48,338,037.15 is: 72,507,687.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,382,329.56 : 218,075,393.83 = 48,338,037.15 : x
  2. Step 2: Convert to fraction form
    145,382,329.56/218,075,393.83 = 48,338,037.15/x
  3. Step 3: Cross multiply
    145,382,329.56x = 218,075,393.83 × 48,338,037.15
  4. Step 4: Simplify right side
    145,382,329.56x = 10,541,336,488,455,422
  5. Step 5: Solve for x
    x = 10,541,336,488,455,422/145,382,329.56
  6. Step 6: Final answer
    x = 72,507,687.28

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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.