Home / 162,408,008.04-243,607,965.78-47,393,546.88

Finding the Fourth Proportional to 162,408,008.04, 243,607,965.78 and 47,393,546.88

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Solution

The fourth proportional to 162,408,008.04, 243,607,965.78 and 47,393,546.88 is: 71,089,139.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,408,008.04 : 243,607,965.78 = 47,393,546.88 : x
  2. Step 2: Convert to fraction form
    162,408,008.04/243,607,965.78 = 47,393,546.88/x
  3. Step 3: Cross multiply
    162,408,008.04x = 243,607,965.78 × 47,393,546.88
  4. Step 4: Simplify right side
    162,408,008.04x = 11,545,445,546,535,866
  5. Step 5: Solve for x
    x = 11,545,445,546,535,866/162,408,008.04
  6. Step 6: Final answer
    x = 71,089,139.54

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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.