Home / 355,418,343.45-533,200,228.61-122,218,768.81

Finding the Fourth Proportional to 355,418,343.45, 533,200,228.61 and 122,218,768.81

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Solution

The fourth proportional to 355,418,343.45, 533,200,228.61 and 122,218,768.81 is: 183,353,157.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,418,343.45 : 533,200,228.61 = 122,218,768.81 : x
  2. Step 2: Convert to fraction form
    355,418,343.45/533,200,228.61 = 122,218,768.81/x
  3. Step 3: Cross multiply
    355,418,343.45x = 533,200,228.61 × 122,218,768.81
  4. Step 4: Simplify right side
    355,418,343.45x = 65,167,075,468,621,488
  5. Step 5: Solve for x
    x = 65,167,075,468,621,488/355,418,343.45
  6. Step 6: Final answer
    x = 183,353,157.40

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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.