Home / 129,611,037.30-194,416,752.77-52,934,065.52

Finding the Fourth Proportional to 129,611,037.30, 194,416,752.77 and 52,934,065.52

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Solution

The fourth proportional to 129,611,037.30, 194,416,752.77 and 52,934,065.52 is: 79,401,178.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,611,037.30 : 194,416,752.77 = 52,934,065.52 : x
  2. Step 2: Convert to fraction form
    129,611,037.30/194,416,752.77 = 52,934,065.52/x
  3. Step 3: Cross multiply
    129,611,037.30x = 194,416,752.77 × 52,934,065.52
  4. Step 4: Simplify right side
    129,611,037.30x = 10,291,269,128,076,066
  5. Step 5: Solve for x
    x = 10,291,269,128,076,066/129,611,037.30
  6. Step 6: Final answer
    x = 79,401,178.65

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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.