Home / 393,679,446.40-590,516,059.20-102,546,006.40

Finding the Fourth Proportional to 393,679,446.40, 590,516,059.20 and 102,546,006.40

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Solution

The fourth proportional to 393,679,446.40, 590,516,059.20 and 102,546,006.40 is: 153,818,199.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,679,446.40 : 590,516,059.20 = 102,546,006.40 : x
  2. Step 2: Convert to fraction form
    393,679,446.40/590,516,059.20 = 102,546,006.40/x
  3. Step 3: Cross multiply
    393,679,446.40x = 590,516,059.20 × 102,546,006.40
  4. Step 4: Simplify right side
    393,679,446.40x = 60,555,063,586,025,984
  5. Step 5: Solve for x
    x = 60,555,063,586,025,984/393,679,446.40
  6. Step 6: Final answer
    x = 153,818,199.40

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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.