Home / 76,316,086.06-105,306,639.84-51,590,071.78

Finding the Fourth Proportional to 76,316,086.06, 105,306,639.84 and 51,590,071.78

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Solution

The fourth proportional to 76,316,086.06, 105,306,639.84 and 51,590,071.78 is: 71,187,837.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,316,086.06 : 105,306,639.84 = 51,590,071.78 : x
  2. Step 2: Convert to fraction form
    76,316,086.06/105,306,639.84 = 51,590,071.78/x
  3. Step 3: Cross multiply
    76,316,086.06x = 105,306,639.84 × 51,590,071.78
  4. Step 4: Simplify right side
    76,316,086.06x = 5,432,777,108,256,208
  5. Step 5: Solve for x
    x = 5,432,777,108,256,208/76,316,086.06
  6. Step 6: Final answer
    x = 71,187,837.17

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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.