Home / 66,413,343.40-99,694,664.70-51,334,124.20

Finding the Fourth Proportional to 66,413,343.40, 99,694,664.70 and 51,334,124.20

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Solution

The fourth proportional to 66,413,343.40, 99,694,664.70 and 51,334,124.20 is: 77,058,886.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,413,343.40 : 99,694,664.70 = 51,334,124.20 : x
  2. Step 2: Convert to fraction form
    66,413,343.40/99,694,664.70 = 51,334,124.20/x
  3. Step 3: Cross multiply
    66,413,343.40x = 99,694,664.70 × 51,334,124.20
  4. Step 4: Simplify right side
    66,413,343.40x = 5,117,738,299,787,156
  5. Step 5: Solve for x
    x = 5,117,738,299,787,156/66,413,343.40
  6. Step 6: Final answer
    x = 77,058,886.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.