Home / 56,170,715.94-77,515,874.64-31,391,316.36

Finding the Fourth Proportional to 56,170,715.94, 77,515,874.64 and 31,391,316.36

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Solution

The fourth proportional to 56,170,715.94, 77,515,874.64 and 31,391,316.36 is: 43,320,176.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,170,715.94 : 77,515,874.64 = 31,391,316.36 : x
  2. Step 2: Convert to fraction form
    56,170,715.94/77,515,874.64 = 31,391,316.36/x
  3. Step 3: Cross multiply
    56,170,715.94x = 77,515,874.64 × 31,391,316.36
  4. Step 4: Simplify right side
    56,170,715.94x = 2,433,325,343,746,341
  5. Step 5: Solve for x
    x = 2,433,325,343,746,341/56,170,715.94
  6. Step 6: Final answer
    x = 43,320,176.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.