Home / 81,938,675.93-113,075,494.36-46,656,509.78

Finding the Fourth Proportional to 81,938,675.93, 113,075,494.36 and 46,656,509.78

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Solution

The fourth proportional to 81,938,675.93, 113,075,494.36 and 46,656,509.78 is: 64,386,052.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,938,675.93 : 113,075,494.36 = 46,656,509.78 : x
  2. Step 2: Convert to fraction form
    81,938,675.93/113,075,494.36 = 46,656,509.78/x
  3. Step 3: Cross multiply
    81,938,675.93x = 113,075,494.36 × 46,656,509.78
  4. Step 4: Simplify right side
    81,938,675.93x = 5,275,707,908,651,722
  5. Step 5: Solve for x
    x = 5,275,707,908,651,722/81,938,675.93
  6. Step 6: Final answer
    x = 64,386,052.73

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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.