Home / 314,829,170.21-434,465,756.96-173,700,381.69

Finding the Fourth Proportional to 314,829,170.21, 434,465,756.96 and 173,700,381.69

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Solution

The fourth proportional to 314,829,170.21, 434,465,756.96 and 173,700,381.69 is: 239,707,355.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,829,170.21 : 434,465,756.96 = 173,700,381.69 : x
  2. Step 2: Convert to fraction form
    314,829,170.21/434,465,756.96 = 173,700,381.69/x
  3. Step 3: Cross multiply
    314,829,170.21x = 434,465,756.96 × 173,700,381.69
  4. Step 4: Simplify right side
    314,829,170.21x = 75,466,867,815,294,464
  5. Step 5: Solve for x
    x = 75,466,867,815,294,464/314,829,170.21
  6. Step 6: Final answer
    x = 239,707,355.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.