Home / 81,351,561.52-112,272,078.74-46,075,641.94

Finding the Fourth Proportional to 81,351,561.52, 112,272,078.74 and 46,075,641.94

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Solution

The fourth proportional to 81,351,561.52, 112,272,078.74 and 46,075,641.94 is: 63,588,307.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,351,561.52 : 112,272,078.74 = 46,075,641.94 : x
  2. Step 2: Convert to fraction form
    81,351,561.52/112,272,078.74 = 46,075,641.94/x
  3. Step 3: Cross multiply
    81,351,561.52x = 112,272,078.74 × 46,075,641.94
  4. Step 4: Simplify right side
    81,351,561.52x = 5,173,008,099,883,726
  5. Step 5: Solve for x
    x = 5,173,008,099,883,726/81,351,561.52
  6. Step 6: Final answer
    x = 63,588,307.38

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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.