Home / 162,019,240.85-243,029,491.79-39,197,361.20

Finding the Fourth Proportional to 162,019,240.85, 243,029,491.79 and 39,197,361.20

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Solution

The fourth proportional to 162,019,240.85, 243,029,491.79 and 39,197,361.20 is: 58,796,194.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,019,240.85 : 243,029,491.79 = 39,197,361.20 : x
  2. Step 2: Convert to fraction form
    162,019,240.85/243,029,491.79 = 39,197,361.20/x
  3. Step 3: Cross multiply
    162,019,240.85x = 243,029,491.79 × 39,197,361.20
  4. Step 4: Simplify right side
    162,019,240.85x = 9,526,114,771,480,538
  5. Step 5: Solve for x
    x = 9,526,114,771,480,538/162,019,240.85
  6. Step 6: Final answer
    x = 58,796,194.34

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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.