Home / 188,518,409.36-282,774,772.92-84,814,378.64

Finding the Fourth Proportional to 188,518,409.36, 282,774,772.92 and 84,814,378.64

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Solution

The fourth proportional to 188,518,409.36, 282,774,772.92 and 84,814,378.64 is: 127,220,289.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,518,409.36 : 282,774,772.92 = 84,814,378.64 : x
  2. Step 2: Convert to fraction form
    188,518,409.36/282,774,772.92 = 84,814,378.64/x
  3. Step 3: Cross multiply
    188,518,409.36x = 282,774,772.92 × 84,814,378.64
  4. Step 4: Simplify right side
    188,518,409.36x = 23,983,366,660,276,900
  5. Step 5: Solve for x
    x = 23,983,366,660,276,900/188,518,409.36
  6. Step 6: Final answer
    x = 127,220,289.74

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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.