Home / 151,781,044.28-209,458,520.54-82,166,425.16

Finding the Fourth Proportional to 151,781,044.28, 209,458,520.54 and 82,166,425.16

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Solution

The fourth proportional to 151,781,044.28, 209,458,520.54 and 82,166,425.16 is: 113,390,034.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,781,044.28 : 209,458,520.54 = 82,166,425.16 : x
  2. Step 2: Convert to fraction form
    151,781,044.28/209,458,520.54 = 82,166,425.16/x
  3. Step 3: Cross multiply
    151,781,044.28x = 209,458,520.54 × 82,166,425.16
  4. Step 4: Simplify right side
    151,781,044.28x = 17,210,457,851,871,548
  5. Step 5: Solve for x
    x = 17,210,457,851,871,548/151,781,044.28
  6. Step 6: Final answer
    x = 113,390,034.53

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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.