Home / 116,731,989.92-161,090,787.84-63,808,777.76

Finding the Fourth Proportional to 116,731,989.92, 161,090,787.84 and 63,808,777.76

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Solution

The fourth proportional to 116,731,989.92, 161,090,787.84 and 63,808,777.76 is: 88,056,464.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,731,989.92 : 161,090,787.84 = 63,808,777.76 : x
  2. Step 2: Convert to fraction form
    116,731,989.92/161,090,787.84 = 63,808,777.76/x
  3. Step 3: Cross multiply
    116,731,989.92x = 161,090,787.84 × 63,808,777.76
  4. Step 4: Simplify right side
    116,731,989.92x = 10,279,006,280,465,870
  5. Step 5: Solve for x
    x = 10,279,006,280,465,870/116,731,989.92
  6. Step 6: Final answer
    x = 88,056,464.11

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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.