Home / 127,731,295.20-191,596,942.80-120,173,023.20

Finding the Fourth Proportional to 127,731,295.20, 191,596,942.80 and 120,173,023.20

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Solution

The fourth proportional to 127,731,295.20, 191,596,942.80 and 120,173,023.20 is: 180,259,534.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,731,295.20 : 191,596,942.80 = 120,173,023.20 : x
  2. Step 2: Convert to fraction form
    127,731,295.20/191,596,942.80 = 120,173,023.20/x
  3. Step 3: Cross multiply
    127,731,295.20x = 191,596,942.80 × 120,173,023.20
  4. Step 4: Simplify right side
    127,731,295.20x = 23,024,783,852,153,476
  5. Step 5: Solve for x
    x = 23,024,783,852,153,476/127,731,295.20
  6. Step 6: Final answer
    x = 180,259,534.80

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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.