Home / 129,449,433.80-194,174,150.70-52,730,640.20

Finding the Fourth Proportional to 129,449,433.80, 194,174,150.70 and 52,730,640.20

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Solution

The fourth proportional to 129,449,433.80, 194,174,150.70 and 52,730,640.20 is: 79,095,960.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,449,433.80 : 194,174,150.70 = 52,730,640.20 : x
  2. Step 2: Convert to fraction form
    129,449,433.80/194,174,150.70 = 52,730,640.20/x
  3. Step 3: Cross multiply
    129,449,433.80x = 194,174,150.70 × 52,730,640.20
  4. Step 4: Simplify right side
    129,449,433.80x = 10,238,927,276,702,278
  5. Step 5: Solve for x
    x = 10,238,927,276,702,278/129,449,433.80
  6. Step 6: Final answer
    x = 79,095,960.30

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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.