Home / 137,585,509.72-206,314,490.78-51,300,748.92

Finding the Fourth Proportional to 137,585,509.72, 206,314,490.78 and 51,300,748.92

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Solution

The fourth proportional to 137,585,509.72, 206,314,490.78 and 51,300,748.92 is: 76,927,344.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,585,509.72 : 206,314,490.78 = 51,300,748.92 : x
  2. Step 2: Convert to fraction form
    137,585,509.72/206,314,490.78 = 51,300,748.92/x
  3. Step 3: Cross multiply
    137,585,509.72x = 206,314,490.78 × 51,300,748.92
  4. Step 4: Simplify right side
    137,585,509.72x = 10,584,087,890,062,436
  5. Step 5: Solve for x
    x = 10,584,087,890,062,436/137,585,509.72
  6. Step 6: Final answer
    x = 76,927,344.40

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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.