Home / 152,011,766.12-209,770,617.12-82,395,652.46

Finding the Fourth Proportional to 152,011,766.12, 209,770,617.12 and 82,395,652.46

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Solution

The fourth proportional to 152,011,766.12, 209,770,617.12 and 82,395,652.46 is: 113,702,954.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,011,766.12 : 209,770,617.12 = 82,395,652.46 : x
  2. Step 2: Convert to fraction form
    152,011,766.12/209,770,617.12 = 82,395,652.46/x
  3. Step 3: Cross multiply
    152,011,766.12x = 209,770,617.12 × 82,395,652.46
  4. Step 4: Simplify right side
    152,011,766.12x = 17,284,186,864,539,246
  5. Step 5: Solve for x
    x = 17,284,186,864,539,246/152,011,766.12
  6. Step 6: Final answer
    x = 113,702,954.09

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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.