Home / 172,398,461.40-258,597,011.70-51,229,913.40

Finding the Fourth Proportional to 172,398,461.40, 258,597,011.70 and 51,229,913.40

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Solution

The fourth proportional to 172,398,461.40, 258,597,011.70 and 51,229,913.40 is: 76,844,667.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,398,461.40 : 258,597,011.70 = 51,229,913.40 : x
  2. Step 2: Convert to fraction form
    172,398,461.40/258,597,011.70 = 51,229,913.40/x
  3. Step 3: Cross multiply
    172,398,461.40x = 258,597,011.70 × 51,229,913.40
  4. Step 4: Simplify right side
    172,398,461.40x = 13,247,902,514,889,786
  5. Step 5: Solve for x
    x = 13,247,902,514,889,786/172,398,461.40
  6. Step 6: Final answer
    x = 76,844,667.91

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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.