Home / 346,584,334.40-520,075,567.20-131,328,065.60

Finding the Fourth Proportional to 346,584,334.40, 520,075,567.20 and 131,328,065.60

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Solution

The fourth proportional to 346,584,334.40, 520,075,567.20 and 131,328,065.60 is: 197,067,528.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,584,334.40 : 520,075,567.20 = 131,328,065.60 : x
  2. Step 2: Convert to fraction form
    346,584,334.40/520,075,567.20 = 131,328,065.60/x
  3. Step 3: Cross multiply
    346,584,334.40x = 520,075,567.20 × 131,328,065.60
  4. Step 4: Simplify right side
    346,584,334.40x = 68,300,518,206,198,800
  5. Step 5: Solve for x
    x = 68,300,518,206,198,800/346,584,334.40
  6. Step 6: Final answer
    x = 197,067,528.53

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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.