Home / 120,529,175.40-180,841,002.30-43,859,953.80

Finding the Fourth Proportional to 120,529,175.40, 180,841,002.30 and 43,859,953.80

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Solution

The fourth proportional to 120,529,175.40, 180,841,002.30 and 43,859,953.80 is: 65,807,120.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,529,175.40 : 180,841,002.30 = 43,859,953.80 : x
  2. Step 2: Convert to fraction form
    120,529,175.40/180,841,002.30 = 43,859,953.80/x
  3. Step 3: Cross multiply
    120,529,175.40x = 180,841,002.30 × 43,859,953.80
  4. Step 4: Simplify right side
    120,529,175.40x = 7,931,678,006,023,694
  5. Step 5: Solve for x
    x = 7,931,678,006,023,694/120,529,175.40
  6. Step 6: Final answer
    x = 65,807,120.80

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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.