Home / 259,648,889.76-358,339,505.04-143,755,385.76

Finding the Fourth Proportional to 259,648,889.76, 358,339,505.04 and 143,755,385.76

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Solution

The fourth proportional to 259,648,889.76, 358,339,505.04 and 143,755,385.76 is: 198,395,740.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,648,889.76 : 358,339,505.04 = 143,755,385.76 : x
  2. Step 2: Convert to fraction form
    259,648,889.76/358,339,505.04 = 143,755,385.76/x
  3. Step 3: Cross multiply
    259,648,889.76x = 358,339,505.04 × 143,755,385.76
  4. Step 4: Simplify right side
    259,648,889.76x = 51,513,233,780,072,664
  5. Step 5: Solve for x
    x = 51,513,233,780,072,664/259,648,889.76
  6. Step 6: Final answer
    x = 198,395,740.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.