Home / 147,687,012.52-203,803,787.46-81,606,460.84

Finding the Fourth Proportional to 147,687,012.52, 203,803,787.46 and 81,606,460.84

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Solution

The fourth proportional to 147,687,012.52, 203,803,787.46 and 81,606,460.84 is: 112,614,545.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,687,012.52 : 203,803,787.46 = 81,606,460.84 : x
  2. Step 2: Convert to fraction form
    147,687,012.52/203,803,787.46 = 81,606,460.84/x
  3. Step 3: Cross multiply
    147,687,012.52x = 203,803,787.46 × 81,606,460.84
  4. Step 4: Simplify right side
    147,687,012.52x = 16,631,705,800,398,174
  5. Step 5: Solve for x
    x = 16,631,705,800,398,174/147,687,012.52
  6. Step 6: Final answer
    x = 112,614,545.56

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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.