Home / 161,685,772.40-242,530,732.20-53,980,396.40

Finding the Fourth Proportional to 161,685,772.40, 242,530,732.20 and 53,980,396.40

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Solution

The fourth proportional to 161,685,772.40, 242,530,732.20 and 53,980,396.40 is: 80,971,286.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,685,772.40 : 242,530,732.20 = 53,980,396.40 : x
  2. Step 2: Convert to fraction form
    161,685,772.40/242,530,732.20 = 53,980,396.40/x
  3. Step 3: Cross multiply
    161,685,772.40x = 242,530,732.20 × 53,980,396.40
  4. Step 4: Simplify right side
    161,685,772.40x = 13,091,905,063,338,244
  5. Step 5: Solve for x
    x = 13,091,905,063,338,244/161,685,772.40
  6. Step 6: Final answer
    x = 80,971,286.89

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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.