Home / 306,686,846.50-423,226,174.12-167,456,611.80

Finding the Fourth Proportional to 306,686,846.50, 423,226,174.12 and 167,456,611.80

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Solution

The fourth proportional to 306,686,846.50, 423,226,174.12 and 167,456,611.80 is: 231,089,210.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,686,846.50 : 423,226,174.12 = 167,456,611.80 : x
  2. Step 2: Convert to fraction form
    306,686,846.50/423,226,174.12 = 167,456,611.80/x
  3. Step 3: Cross multiply
    306,686,846.50x = 423,226,174.12 × 167,456,611.80
  4. Step 4: Simplify right side
    306,686,846.50x = 70,872,021,142,793,408
  5. Step 5: Solve for x
    x = 70,872,021,142,793,408/306,686,846.50
  6. Step 6: Final answer
    x = 231,089,210.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.