Home / 131,058,477.44-180,896,676-76,072,048.64

Finding the Fourth Proportional to 131,058,477.44, 180,896,676 and 76,072,048.64

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Solution

The fourth proportional to 131,058,477.44, 180,896,676 and 76,072,048.64 is: 105,000,309.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,058,477.44 : 180,896,676 = 76,072,048.64 : x
  2. Step 2: Convert to fraction form
    131,058,477.44/180,896,676 = 76,072,048.64/x
  3. Step 3: Cross multiply
    131,058,477.44x = 180,896,676 × 76,072,048.64
  4. Step 4: Simplify right side
    131,058,477.44x = 13,761,180,735,486,320
  5. Step 5: Solve for x
    x = 13,761,180,735,486,320/131,058,477.44
  6. Step 6: Final answer
    x = 105,000,309.82

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