Home / 129,349,131.60-194,050,654.20-43,114,328.40

Finding the Fourth Proportional to 129,349,131.60, 194,050,654.20 and 43,114,328.40

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Solution

The fourth proportional to 129,349,131.60, 194,050,654.20 and 43,114,328.40 is: 64,680,477.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,349,131.60 : 194,050,654.20 = 43,114,328.40 : x
  2. Step 2: Convert to fraction form
    129,349,131.60/194,050,654.20 = 43,114,328.40/x
  3. Step 3: Cross multiply
    129,349,131.60x = 194,050,654.20 × 43,114,328.40
  4. Step 4: Simplify right side
    129,349,131.60x = 8,366,363,631,413,638
  5. Step 5: Solve for x
    x = 8,366,363,631,413,638/129,349,131.60
  6. Step 6: Final answer
    x = 64,680,477.77

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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.