Home / 210,675,682.80-316,013,524.20-67,068,514.80

Finding the Fourth Proportional to 210,675,682.80, 316,013,524.20 and 67,068,514.80

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Solution

The fourth proportional to 210,675,682.80, 316,013,524.20 and 67,068,514.80 is: 100,602,772.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,675,682.80 : 316,013,524.20 = 67,068,514.80 : x
  2. Step 2: Convert to fraction form
    210,675,682.80/316,013,524.20 = 67,068,514.80/x
  3. Step 3: Cross multiply
    210,675,682.80x = 316,013,524.20 × 67,068,514.80
  4. Step 4: Simplify right side
    210,675,682.80x = 21,194,557,724,807,856
  5. Step 5: Solve for x
    x = 21,194,557,724,807,856/210,675,682.80
  6. Step 6: Final answer
    x = 100,602,772.20

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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.