Home / 402,570,101.88-603,787,886.10-111,466,651.32

Finding the Fourth Proportional to 402,570,101.88, 603,787,886.10 and 111,466,651.32

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Solution

The fourth proportional to 402,570,101.88, 603,787,886.10 and 111,466,651.32 is: 167,181,351.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,570,101.88 : 603,787,886.10 = 111,466,651.32 : x
  2. Step 2: Convert to fraction form
    402,570,101.88/603,787,886.10 = 111,466,651.32/x
  3. Step 3: Cross multiply
    402,570,101.88x = 603,787,886.10 × 111,466,651.32
  4. Step 4: Simplify right side
    402,570,101.88x = 67,302,213,771,148,576
  5. Step 5: Solve for x
    x = 67,302,213,771,148,576/402,570,101.88
  6. Step 6: Final answer
    x = 167,181,351.66

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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.