Home / 165,813,439.68-248,935,687.68-127,501,857.60

Finding the Fourth Proportional to 165,813,439.68, 248,935,687.68 and 127,501,857.60

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Solution

The fourth proportional to 165,813,439.68, 248,935,687.68 and 127,501,857.60 is: 191,418,516.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,813,439.68 : 248,935,687.68 = 127,501,857.60 : x
  2. Step 2: Convert to fraction form
    165,813,439.68/248,935,687.68 = 127,501,857.60/x
  3. Step 3: Cross multiply
    165,813,439.68x = 248,935,687.68 × 127,501,857.60
  4. Step 4: Simplify right side
    165,813,439.68x = 31,739,762,602,133,432
  5. Step 5: Solve for x
    x = 31,739,762,602,133,432/165,813,439.68
  6. Step 6: Final answer
    x = 191,418,516.28

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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.