Home / 216,009,187.80-298,094,481.54-126,754,502.94

Finding the Fourth Proportional to 216,009,187.80, 298,094,481.54 and 126,754,502.94

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Solution

The fourth proportional to 216,009,187.80, 298,094,481.54 and 126,754,502.94 is: 174,922,271.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,009,187.80 : 298,094,481.54 = 126,754,502.94 : x
  2. Step 2: Convert to fraction form
    216,009,187.80/298,094,481.54 = 126,754,502.94/x
  3. Step 3: Cross multiply
    216,009,187.80x = 298,094,481.54 × 126,754,502.94
  4. Step 4: Simplify right side
    216,009,187.80x = 37,784,817,836,759,704
  5. Step 5: Solve for x
    x = 37,784,817,836,759,704/216,009,187.80
  6. Step 6: Final answer
    x = 174,922,271.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.