Home / 205,935,287.10-308,898,207.45-103,671,863.10

Finding the Fourth Proportional to 205,935,287.10, 308,898,207.45 and 103,671,863.10

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Solution

The fourth proportional to 205,935,287.10, 308,898,207.45 and 103,671,863.10 is: 155,505,416.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,935,287.10 : 308,898,207.45 = 103,671,863.10 : x
  2. Step 2: Convert to fraction form
    205,935,287.10/308,898,207.45 = 103,671,863.10/x
  3. Step 3: Cross multiply
    205,935,287.10x = 308,898,207.45 × 103,671,863.10
  4. Step 4: Simplify right side
    205,935,287.10x = 32,024,052,674,591,796
  5. Step 5: Solve for x
    x = 32,024,052,674,591,796/205,935,287.10
  6. Step 6: Final answer
    x = 155,505,416.90

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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.