Home / 166,528,932.32-249,936,887.52-115,446,823.40

Finding the Fourth Proportional to 166,528,932.32, 249,936,887.52 and 115,446,823.40

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Solution

The fourth proportional to 166,528,932.32, 249,936,887.52 and 115,446,823.40 is: 173,269,709.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,528,932.32 : 249,936,887.52 = 115,446,823.40 : x
  2. Step 2: Convert to fraction form
    166,528,932.32/249,936,887.52 = 115,446,823.40/x
  3. Step 3: Cross multiply
    166,528,932.32x = 249,936,887.52 × 115,446,823.40
  4. Step 4: Simplify right side
    166,528,932.32x = 28,854,419,713,417,420
  5. Step 5: Solve for x
    x = 28,854,419,713,417,420/166,528,932.32
  6. Step 6: Final answer
    x = 173,269,709.43

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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.