Home / 189,152,368.80-283,728,553.20-74,098,672.80

Finding the Fourth Proportional to 189,152,368.80, 283,728,553.20 and 74,098,672.80

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Solution

The fourth proportional to 189,152,368.80, 283,728,553.20 and 74,098,672.80 is: 111,148,009.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,152,368.80 : 283,728,553.20 = 74,098,672.80 : x
  2. Step 2: Convert to fraction form
    189,152,368.80/283,728,553.20 = 74,098,672.80/x
  3. Step 3: Cross multiply
    189,152,368.80x = 283,728,553.20 × 74,098,672.80
  4. Step 4: Simplify right side
    189,152,368.80x = 21,023,909,227,584,192
  5. Step 5: Solve for x
    x = 21,023,909,227,584,192/189,152,368.80
  6. Step 6: Final answer
    x = 111,148,009.20

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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.