Home / 271,638,005.40-407,510,152.20-116,191,512.90

Finding the Fourth Proportional to 271,638,005.40, 407,510,152.20 and 116,191,512.90

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Solution

The fourth proportional to 271,638,005.40, 407,510,152.20 and 116,191,512.90 is: 174,310,001.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,638,005.40 : 407,510,152.20 = 116,191,512.90 : x
  2. Step 2: Convert to fraction form
    271,638,005.40/407,510,152.20 = 116,191,512.90/x
  3. Step 3: Cross multiply
    271,638,005.40x = 407,510,152.20 × 116,191,512.90
  4. Step 4: Simplify right side
    271,638,005.40x = 47,349,221,106,227,264
  5. Step 5: Solve for x
    x = 47,349,221,106,227,264/271,638,005.40
  6. Step 6: Final answer
    x = 174,310,001.42

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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.