Home / 120,624,083,433.40-180,936,125,150.10-109,053,124,828.60

Finding the Fourth Proportional to 120,624,083,433.40, 180,936,125,150.10 and 109,053,124,828.60

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Solution

The fourth proportional to 120,624,083,433.40, 180,936,125,150.10 and 109,053,124,828.60 is: 163,579,687,242.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,624,083,433.40 : 180,936,125,150.10 = 109,053,124,828.60 : x
  2. Step 2: Convert to fraction form
    120,624,083,433.40/180,936,125,150.10 = 109,053,124,828.60/x
  3. Step 3: Cross multiply
    120,624,083,433.40x = 180,936,125,150.10 × 109,053,124,828.60
  4. Step 4: Simplify right side
    120,624,083,433.40x = 19,731,649,841,997,050,544,128
  5. Step 5: Solve for x
    x = 19,731,649,841,997,050,544,128/120,624,083,433.40
  6. Step 6: Final answer
    x = 163,579,687,242.90

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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.