Home / 129,898,778.30-194,912,186.37-60,816,259.70

Finding the Fourth Proportional to 129,898,778.30, 194,912,186.37 and 60,816,259.70

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Solution

The fourth proportional to 129,898,778.30, 194,912,186.37 and 60,816,259.70 is: 91,254,362.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,898,778.30 : 194,912,186.37 = 60,816,259.70 : x
  2. Step 2: Convert to fraction form
    129,898,778.30/194,912,186.37 = 60,816,259.70/x
  3. Step 3: Cross multiply
    129,898,778.30x = 194,912,186.37 × 60,816,259.70
  4. Step 4: Simplify right side
    129,898,778.30x = 11,853,830,143,998,160
  5. Step 5: Solve for x
    x = 11,853,830,143,998,160/129,898,778.30
  6. Step 6: Final answer
    x = 91,254,362.05

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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.