Home / 154,409,689.80-231,614,534.70-52,172,251.20

Finding the Fourth Proportional to 154,409,689.80, 231,614,534.70 and 52,172,251.20

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Solution

The fourth proportional to 154,409,689.80, 231,614,534.70 and 52,172,251.20 is: 78,258,376.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,409,689.80 : 231,614,534.70 = 52,172,251.20 : x
  2. Step 2: Convert to fraction form
    154,409,689.80/231,614,534.70 = 52,172,251.20/x
  3. Step 3: Cross multiply
    154,409,689.80x = 231,614,534.70 × 52,172,251.20
  4. Step 4: Simplify right side
    154,409,689.80x = 12,083,851,685,939,516
  5. Step 5: Solve for x
    x = 12,083,851,685,939,516/154,409,689.80
  6. Step 6: Final answer
    x = 78,258,376.80

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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.