Home / 167,328,638.40-251,496,842.40-145,157,707.20

Finding the Fourth Proportional to 167,328,638.40, 251,496,842.40 and 145,157,707.20

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Solution

The fourth proportional to 167,328,638.40, 251,496,842.40 and 145,157,707.20 is: 218,173,681.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,328,638.40 : 251,496,842.40 = 145,157,707.20 : x
  2. Step 2: Convert to fraction form
    167,328,638.40/251,496,842.40 = 145,157,707.20/x
  3. Step 3: Cross multiply
    167,328,638.40x = 251,496,842.40 × 145,157,707.20
  4. Step 4: Simplify right side
    167,328,638.40x = 36,506,705,010,823,744
  5. Step 5: Solve for x
    x = 36,506,705,010,823,744/167,328,638.40
  6. Step 6: Final answer
    x = 218,173,681.21

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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.