Home / 188,518,407.36-282,774,769.92-84,814,376.64

Finding the Fourth Proportional to 188,518,407.36, 282,774,769.92 and 84,814,376.64

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Solution

The fourth proportional to 188,518,407.36, 282,774,769.92 and 84,814,376.64 is: 127,220,286.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,518,407.36 : 282,774,769.92 = 84,814,376.64 : x
  2. Step 2: Convert to fraction form
    188,518,407.36/282,774,769.92 = 84,814,376.64/x
  3. Step 3: Cross multiply
    188,518,407.36x = 282,774,769.92 × 84,814,376.64
  4. Step 4: Simplify right side
    188,518,407.36x = 23,983,365,840,284,224
  5. Step 5: Solve for x
    x = 23,983,365,840,284,224/188,518,407.36
  6. Step 6: Final answer
    x = 127,220,286.74

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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.