Home / 77,460,331.44-106,895,956.32-42,654,255.60

Finding the Fourth Proportional to 77,460,331.44, 106,895,956.32 and 42,654,255.60

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Solution

The fourth proportional to 77,460,331.44, 106,895,956.32 and 42,654,255.60 is: 58,863,257.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,460,331.44 : 106,895,956.32 = 42,654,255.60 : x
  2. Step 2: Convert to fraction form
    77,460,331.44/106,895,956.32 = 42,654,255.60/x
  3. Step 3: Cross multiply
    77,460,331.44x = 106,895,956.32 × 42,654,255.60
  4. Step 4: Simplify right side
    77,460,331.44x = 4,559,567,443,479,715
  5. Step 5: Solve for x
    x = 4,559,567,443,479,715/77,460,331.44
  6. Step 6: Final answer
    x = 58,863,257.60

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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.