Home / 219,316,062.69-328,971,557.83-53,320,507.88

Finding the Fourth Proportional to 219,316,062.69, 328,971,557.83 and 53,320,507.88

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Solution

The fourth proportional to 219,316,062.69, 328,971,557.83 and 53,320,507.88 is: 79,980,145.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,316,062.69 : 328,971,557.83 = 53,320,507.88 : x
  2. Step 2: Convert to fraction form
    219,316,062.69/328,971,557.83 = 53,320,507.88/x
  3. Step 3: Cross multiply
    219,316,062.69x = 328,971,557.83 × 53,320,507.88
  4. Step 4: Simplify right side
    219,316,062.69x = 17,540,930,541,570,390
  5. Step 5: Solve for x
    x = 17,540,930,541,570,390/219,316,062.69
  6. Step 6: Final answer
    x = 79,980,145.21

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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.