Home / 131,058,463.44-180,896,656.68-76,072,034.64

Finding the Fourth Proportional to 131,058,463.44, 180,896,656.68 and 76,072,034.64

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Solution

The fourth proportional to 131,058,463.44, 180,896,656.68 and 76,072,034.64 is: 105,000,290.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,058,463.44 : 180,896,656.68 = 76,072,034.64 : x
  2. Step 2: Convert to fraction form
    131,058,463.44/180,896,656.68 = 76,072,034.64/x
  3. Step 3: Cross multiply
    131,058,463.44x = 180,896,656.68 × 76,072,034.64
  4. Step 4: Simplify right side
    131,058,463.44x = 13,761,176,733,221,148
  5. Step 5: Solve for x
    x = 13,761,176,733,221,148/131,058,463.44
  6. Step 6: Final answer
    x = 105,000,290.50

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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.