Home / 112,075,570.70-168,113,356.05-39,374,441.90

Finding the Fourth Proportional to 112,075,570.70, 168,113,356.05 and 39,374,441.90

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Solution

The fourth proportional to 112,075,570.70, 168,113,356.05 and 39,374,441.90 is: 59,061,662.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,075,570.70 : 168,113,356.05 = 39,374,441.90 : x
  2. Step 2: Convert to fraction form
    112,075,570.70/168,113,356.05 = 39,374,441.90/x
  3. Step 3: Cross multiply
    112,075,570.70x = 168,113,356.05 × 39,374,441.90
  4. Step 4: Simplify right side
    112,075,570.70x = 6,619,369,570,404,739
  5. Step 5: Solve for x
    x = 6,619,369,570,404,739/112,075,570.70
  6. Step 6: Final answer
    x = 59,061,662.85

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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.