Home / 219,316,444.70-328,972,129.74-53,320,891.46

Finding the Fourth Proportional to 219,316,444.70, 328,972,129.74 and 53,320,891.46

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Solution

The fourth proportional to 219,316,444.70, 328,972,129.74 and 53,320,891.46 is: 79,980,720.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,316,444.70 : 328,972,129.74 = 53,320,891.46 : x
  2. Step 2: Convert to fraction form
    219,316,444.70/328,972,129.74 = 53,320,891.46/x
  3. Step 3: Cross multiply
    219,316,444.70x = 328,972,129.74 × 53,320,891.46
  4. Step 4: Simplify right side
    219,316,444.70x = 17,541,087,223,231,578
  5. Step 5: Solve for x
    x = 17,541,087,223,231,578/219,316,444.70
  6. Step 6: Final answer
    x = 79,980,720.31

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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.