Home / 268,034,853.45-402,075,441.05-73,946,268.75

Finding the Fourth Proportional to 268,034,853.45, 402,075,441.05 and 73,946,268.75

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Solution

The fourth proportional to 268,034,853.45, 402,075,441.05 and 73,946,268.75 is: 110,925,792.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,034,853.45 : 402,075,441.05 = 73,946,268.75 : x
  2. Step 2: Convert to fraction form
    268,034,853.45/402,075,441.05 = 73,946,268.75/x
  3. Step 3: Cross multiply
    268,034,853.45x = 402,075,441.05 × 73,946,268.75
  4. Step 4: Simplify right side
    268,034,853.45x = 29,731,978,621,288,352
  5. Step 5: Solve for x
    x = 29,731,978,621,288,352/268,034,853.45
  6. Step 6: Final answer
    x = 110,925,792.82

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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.