Home / 203,160,071.69-280,343,783.86-112,635,984.26

Finding the Fourth Proportional to 203,160,071.69, 280,343,783.86 and 112,635,984.26

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Solution

The fourth proportional to 203,160,071.69, 280,343,783.86 and 112,635,984.26 is: 155,428,169.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,160,071.69 : 280,343,783.86 = 112,635,984.26 : x
  2. Step 2: Convert to fraction form
    203,160,071.69/280,343,783.86 = 112,635,984.26/x
  3. Step 3: Cross multiply
    203,160,071.69x = 280,343,783.86 × 112,635,984.26
  4. Step 4: Simplify right side
    203,160,071.69x = 31,576,798,026,663,076
  5. Step 5: Solve for x
    x = 31,576,798,026,663,076/203,160,071.69
  6. Step 6: Final answer
    x = 155,428,169.35

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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.