Home / 156,011,664.80-234,017,497.20-75,390,096.80

Finding the Fourth Proportional to 156,011,664.80, 234,017,497.20 and 75,390,096.80

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Solution

The fourth proportional to 156,011,664.80, 234,017,497.20 and 75,390,096.80 is: 113,085,145.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,011,664.80 : 234,017,497.20 = 75,390,096.80 : x
  2. Step 2: Convert to fraction form
    156,011,664.80/234,017,497.20 = 75,390,096.80/x
  3. Step 3: Cross multiply
    156,011,664.80x = 234,017,497.20 × 75,390,096.80
  4. Step 4: Simplify right side
    156,011,664.80x = 17,642,601,766,801,728
  5. Step 5: Solve for x
    x = 17,642,601,766,801,728/156,011,664.80
  6. Step 6: Final answer
    x = 113,085,145.20

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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.