Home / 77,541,274.37-107,006,959.23-42,733,965.21

Finding the Fourth Proportional to 77,541,274.37, 107,006,959.23 and 42,733,965.21

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Solution

The fourth proportional to 77,541,274.37, 107,006,959.23 and 42,733,965.21 is: 58,972,872.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,541,274.37 : 107,006,959.23 = 42,733,965.21 : x
  2. Step 2: Convert to fraction form
    77,541,274.37/107,006,959.23 = 42,733,965.21/x
  3. Step 3: Cross multiply
    77,541,274.37x = 107,006,959.23 × 42,733,965.21
  4. Step 4: Simplify right side
    77,541,274.37x = 4,572,831,672,962,709
  5. Step 5: Solve for x
    x = 4,572,831,672,962,709/77,541,274.37
  6. Step 6: Final answer
    x = 58,972,872.32

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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.