Home / 81,351,544.43-112,272,055.06-46,075,624.83

Finding the Fourth Proportional to 81,351,544.43, 112,272,055.06 and 46,075,624.83

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Solution

The fourth proportional to 81,351,544.43, 112,272,055.06 and 46,075,624.83 is: 63,588,283.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,351,544.43 : 112,272,055.06 = 46,075,624.83 : x
  2. Step 2: Convert to fraction form
    81,351,544.43/112,272,055.06 = 46,075,624.83/x
  3. Step 3: Cross multiply
    81,351,544.43x = 112,272,055.06 × 46,075,624.83
  4. Step 4: Simplify right side
    81,351,544.43x = 5,173,005,087,722,474
  5. Step 5: Solve for x
    x = 5,173,005,087,722,474/81,351,544.43
  6. Step 6: Final answer
    x = 63,588,283.72

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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.