Home / 51,774,368.22-77,691,225.87-21,063,279.78

Finding the Fourth Proportional to 51,774,368.22, 77,691,225.87 and 21,063,279.78

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Solution

The fourth proportional to 51,774,368.22, 77,691,225.87 and 21,063,279.78 is: 31,606,991.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,774,368.22 : 77,691,225.87 = 21,063,279.78 : x
  2. Step 2: Convert to fraction form
    51,774,368.22/77,691,225.87 = 21,063,279.78/x
  3. Step 3: Cross multiply
    51,774,368.22x = 77,691,225.87 × 21,063,279.78
  4. Step 4: Simplify right side
    51,774,368.22x = 1,636,432,026,950,984
  5. Step 5: Solve for x
    x = 1,636,432,026,950,984/51,774,368.22
  6. Step 6: Final answer
    x = 31,606,991.71

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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.