Home / 207,586,303.60-311,379,455.40-131,145,113.20

Finding the Fourth Proportional to 207,586,303.60, 311,379,455.40 and 131,145,113.20

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Solution

The fourth proportional to 207,586,303.60, 311,379,455.40 and 131,145,113.20 is: 196,717,669.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,586,303.60 : 311,379,455.40 = 131,145,113.20 : x
  2. Step 2: Convert to fraction form
    207,586,303.60/311,379,455.40 = 131,145,113.20/x
  3. Step 3: Cross multiply
    207,586,303.60x = 311,379,455.40 × 131,145,113.20
  4. Step 4: Simplify right side
    207,586,303.60x = 40,835,893,926,587,352
  5. Step 5: Solve for x
    x = 40,835,893,926,587,352/207,586,303.60
  6. Step 6: Final answer
    x = 196,717,669.80

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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.