Home / 357,704,212.80-536,556,319.20-127,680,801.60

Finding the Fourth Proportional to 357,704,212.80, 536,556,319.20 and 127,680,801.60

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Solution

The fourth proportional to 357,704,212.80, 536,556,319.20 and 127,680,801.60 is: 191,521,202.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,704,212.80 : 536,556,319.20 = 127,680,801.60 : x
  2. Step 2: Convert to fraction form
    357,704,212.80/536,556,319.20 = 127,680,801.60/x
  3. Step 3: Cross multiply
    357,704,212.80x = 536,556,319.20 × 127,680,801.60
  4. Step 4: Simplify right side
    357,704,212.80x = 68,507,940,939,001,464
  5. Step 5: Solve for x
    x = 68,507,940,939,001,464/357,704,212.80
  6. Step 6: Final answer
    x = 191,521,202.40

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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.