Home / 171,622,512.60-257,433,768.90-79,506,072.60

Finding the Fourth Proportional to 171,622,512.60, 257,433,768.90 and 79,506,072.60

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Solution

The fourth proportional to 171,622,512.60, 257,433,768.90 and 79,506,072.60 is: 119,259,108.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,622,512.60 : 257,433,768.90 = 79,506,072.60 : x
  2. Step 2: Convert to fraction form
    171,622,512.60/257,433,768.90 = 79,506,072.60/x
  3. Step 3: Cross multiply
    171,622,512.60x = 257,433,768.90 × 79,506,072.60
  4. Step 4: Simplify right side
    171,622,512.60x = 20,467,547,919,855,020
  5. Step 5: Solve for x
    x = 20,467,547,919,855,020/171,622,512.60
  6. Step 6: Final answer
    x = 119,259,108.90

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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.