Home / 45,219,843.90-67,830,175.89-12,871,733.71

Finding the Fourth Proportional to 45,219,843.90, 67,830,175.89 and 12,871,733.71

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Solution

The fourth proportional to 45,219,843.90, 67,830,175.89 and 12,871,733.71 is: 19,307,717.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,219,843.90 : 67,830,175.89 = 12,871,733.71 : x
  2. Step 2: Convert to fraction form
    45,219,843.90/67,830,175.89 = 12,871,733.71/x
  3. Step 3: Cross multiply
    45,219,843.90x = 67,830,175.89 × 12,871,733.71
  4. Step 4: Simplify right side
    45,219,843.90x = 873,091,961,558,542.38
  5. Step 5: Solve for x
    x = 873,091,961,558,542.38/45,219,843.90
  6. Step 6: Final answer
    x = 19,307,717.28

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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.