Home / 614,780,412.72-921,954,848.27-172,004,110.53

Finding the Fourth Proportional to 614,780,412.72, 921,954,848.27 and 172,004,110.53

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Solution

The fourth proportional to 614,780,412.72, 921,954,848.27 and 172,004,110.53 is: 257,945,797.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,780,412.72 : 921,954,848.27 = 172,004,110.53 : x
  2. Step 2: Convert to fraction form
    614,780,412.72/921,954,848.27 = 172,004,110.53/x
  3. Step 3: Cross multiply
    614,780,412.72x = 921,954,848.27 × 172,004,110.53
  4. Step 4: Simplify right side
    614,780,412.72x = 158,580,023,624,642,432
  5. Step 5: Solve for x
    x = 158,580,023,624,642,432/614,780,412.72
  6. Step 6: Final answer
    x = 257,945,797.14

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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.