Home / 285,369,715,222.56-428,044,878,164.16-73,135,931,692.32

Finding the Fourth Proportional to 285,369,715,222.56, 428,044,878,164.16 and 73,135,931,692.32

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Solution

The fourth proportional to 285,369,715,222.56, 428,044,878,164.16 and 73,135,931,692.32 is: 109,701,412,941.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,369,715,222.56 : 428,044,878,164.16 = 73,135,931,692.32 : x
  2. Step 2: Convert to fraction form
    285,369,715,222.56/428,044,878,164.16 = 73,135,931,692.32/x
  3. Step 3: Cross multiply
    285,369,715,222.56x = 428,044,878,164.16 × 73,135,931,692.32
  4. Step 4: Simplify right side
    285,369,715,222.56x = 31,305,460,970,661,443,796,992
  5. Step 5: Solve for x
    x = 31,305,460,970,661,443,796,992/285,369,715,222.56
  6. Step 6: Final answer
    x = 109,701,412,941.62

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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.