Home / 55,475,471.52-83,216,628.72-21,396,373.92

Finding the Fourth Proportional to 55,475,471.52, 83,216,628.72 and 21,396,373.92

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Solution

The fourth proportional to 55,475,471.52, 83,216,628.72 and 21,396,373.92 is: 32,095,880.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,475,471.52 : 83,216,628.72 = 21,396,373.92 : x
  2. Step 2: Convert to fraction form
    55,475,471.52/83,216,628.72 = 21,396,373.92/x
  3. Step 3: Cross multiply
    55,475,471.52x = 83,216,628.72 × 21,396,373.92
  4. Step 4: Simplify right side
    55,475,471.52x = 1,780,534,104,454,931
  5. Step 5: Solve for x
    x = 1,780,534,104,454,931/55,475,471.52
  6. Step 6: Final answer
    x = 32,095,880.50

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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.