Home / 107,037,651.70-160,540,731.15-30,368,430.10

Finding the Fourth Proportional to 107,037,651.70, 160,540,731.15 and 30,368,430.10

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Solution

The fourth proportional to 107,037,651.70, 160,540,731.15 and 30,368,430.10 is: 45,548,177.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,037,651.70 : 160,540,731.15 = 30,368,430.10 : x
  2. Step 2: Convert to fraction form
    107,037,651.70/160,540,731.15 = 30,368,430.10/x
  3. Step 3: Cross multiply
    107,037,651.70x = 160,540,731.15 × 30,368,430.10
  4. Step 4: Simplify right side
    107,037,651.70x = 4,875,369,972,131,668
  5. Step 5: Solve for x
    x = 4,875,369,972,131,668/107,037,651.70
  6. Step 6: Final answer
    x = 45,548,177.62

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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.