Home / 130,415,935.80-195,623,903.70-84,499,433.40

Finding the Fourth Proportional to 130,415,935.80, 195,623,903.70 and 84,499,433.40

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Solution

The fourth proportional to 130,415,935.80, 195,623,903.70 and 84,499,433.40 is: 126,749,150.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,415,935.80 : 195,623,903.70 = 84,499,433.40 : x
  2. Step 2: Convert to fraction form
    130,415,935.80/195,623,903.70 = 84,499,433.40/x
  3. Step 3: Cross multiply
    130,415,935.80x = 195,623,903.70 × 84,499,433.40
  4. Step 4: Simplify right side
    130,415,935.80x = 16,530,109,022,146,164
  5. Step 5: Solve for x
    x = 16,530,109,022,146,164/130,415,935.80
  6. Step 6: Final answer
    x = 126,749,150.10

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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.