Home / 568,645,106.72-852,967,669.76-137,823,602.72

Finding the Fourth Proportional to 568,645,106.72, 852,967,669.76 and 137,823,602.72

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Solution

The fourth proportional to 568,645,106.72, 852,967,669.76 and 137,823,602.72 is: 206,735,406.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,645,106.72 : 852,967,669.76 = 137,823,602.72 : x
  2. Step 2: Convert to fraction form
    568,645,106.72/852,967,669.76 = 137,823,602.72/x
  3. Step 3: Cross multiply
    568,645,106.72x = 852,967,669.76 × 137,823,602.72
  4. Step 4: Simplify right side
    568,645,106.72x = 117,559,077,250,006,400
  5. Step 5: Solve for x
    x = 117,559,077,250,006,400/568,645,106.72
  6. Step 6: Final answer
    x = 206,735,406.43

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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.