Home / 219,316,445.70-328,972,131.24-53,320,892.46

Finding the Fourth Proportional to 219,316,445.70, 328,972,131.24 and 53,320,892.46

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Solution

The fourth proportional to 219,316,445.70, 328,972,131.24 and 53,320,892.46 is: 79,980,721.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,316,445.70 : 328,972,131.24 = 53,320,892.46 : x
  2. Step 2: Convert to fraction form
    219,316,445.70/328,972,131.24 = 53,320,892.46/x
  3. Step 3: Cross multiply
    219,316,445.70x = 328,972,131.24 × 53,320,892.46
  4. Step 4: Simplify right side
    219,316,445.70x = 17,541,087,632,185,048
  5. Step 5: Solve for x
    x = 17,541,087,632,185,048/219,316,445.70
  6. Step 6: Final answer
    x = 79,980,721.81

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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.