Home / 77,622,239.88-107,116,814.25-42,814,182.96

Finding the Fourth Proportional to 77,622,239.88, 107,116,814.25 and 42,814,182.96

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Solution

The fourth proportional to 77,622,239.88, 107,116,814.25 and 42,814,182.96 is: 59,082,537.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,622,239.88 : 107,116,814.25 = 42,814,182.96 : x
  2. Step 2: Convert to fraction form
    77,622,239.88/107,116,814.25 = 42,814,182.96/x
  3. Step 3: Cross multiply
    77,622,239.88x = 107,116,814.25 × 42,814,182.96
  4. Step 4: Simplify right side
    77,622,239.88x = 4,586,118,883,391,835
  5. Step 5: Solve for x
    x = 4,586,118,883,391,835/77,622,239.88
  6. Step 6: Final answer
    x = 59,082,537.30

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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.