Home / 67,112,005.68-100,668,125.29-21,057,409.07

Finding the Fourth Proportional to 67,112,005.68, 100,668,125.29 and 21,057,409.07

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Solution

The fourth proportional to 67,112,005.68, 100,668,125.29 and 21,057,409.07 is: 31,586,150.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,112,005.68 : 100,668,125.29 = 21,057,409.07 : x
  2. Step 2: Convert to fraction form
    67,112,005.68/100,668,125.29 = 21,057,409.07/x
  3. Step 3: Cross multiply
    67,112,005.68x = 100,668,125.29 × 21,057,409.07
  4. Step 4: Simplify right side
    67,112,005.68x = 2,119,809,893,985,558.25
  5. Step 5: Solve for x
    x = 2,119,809,893,985,558.25/67,112,005.68
  6. Step 6: Final answer
    x = 31,586,150.24

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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.