Home / 217,776,985.60-325,720,694.40-194,913,212.80

Finding the Fourth Proportional to 217,776,985.60, 325,720,694.40 and 194,913,212.80

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Solution

The fourth proportional to 217,776,985.60, 325,720,694.40 and 194,913,212.80 is: 291,524,225.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,776,985.60 : 325,720,694.40 = 194,913,212.80 : x
  2. Step 2: Convert to fraction form
    217,776,985.60/325,720,694.40 = 194,913,212.80/x
  3. Step 3: Cross multiply
    217,776,985.60x = 325,720,694.40 × 194,913,212.80
  4. Step 4: Simplify right side
    217,776,985.60x = 63,487,267,020,950,968
  5. Step 5: Solve for x
    x = 63,487,267,020,950,968/217,776,985.60
  6. Step 6: Final answer
    x = 291,524,225.33

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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.