Home / 162,385,644.60-243,578,466.90-76,292,202.60

Finding the Fourth Proportional to 162,385,644.60, 243,578,466.90 and 76,292,202.60

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Solution

The fourth proportional to 162,385,644.60, 243,578,466.90 and 76,292,202.60 is: 114,438,303.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,385,644.60 : 243,578,466.90 = 76,292,202.60 : x
  2. Step 2: Convert to fraction form
    162,385,644.60/243,578,466.90 = 76,292,202.60/x
  3. Step 3: Cross multiply
    162,385,644.60x = 243,578,466.90 × 76,292,202.60
  4. Step 4: Simplify right side
    162,385,644.60x = 18,583,137,745,732,192
  5. Step 5: Solve for x
    x = 18,583,137,745,732,192/162,385,644.60
  6. Step 6: Final answer
    x = 114,438,303.90

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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.