Home / 56,696,945.58-85,057,821.50-18,362,334.78

Finding the Fourth Proportional to 56,696,945.58, 85,057,821.50 and 18,362,334.78

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Solution

The fourth proportional to 56,696,945.58, 85,057,821.50 and 18,362,334.78 is: 27,547,519.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,696,945.58 : 85,057,821.50 = 18,362,334.78 : x
  2. Step 2: Convert to fraction form
    56,696,945.58/85,057,821.50 = 18,362,334.78/x
  3. Step 3: Cross multiply
    56,696,945.58x = 85,057,821.50 × 18,362,334.78
  4. Step 4: Simplify right side
    56,696,945.58x = 1,561,860,193,948,670.25
  5. Step 5: Solve for x
    x = 1,561,860,193,948,670.25/56,696,945.58
  6. Step 6: Final answer
    x = 27,547,519.15

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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.