Home / 151,276,242.78-208,766,783.43-84,301,219.44

Finding the Fourth Proportional to 151,276,242.78, 208,766,783.43 and 84,301,219.44

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Solution

The fourth proportional to 151,276,242.78, 208,766,783.43 and 84,301,219.44 is: 116,338,785.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,276,242.78 : 208,766,783.43 = 84,301,219.44 : x
  2. Step 2: Convert to fraction form
    151,276,242.78/208,766,783.43 = 84,301,219.44/x
  3. Step 3: Cross multiply
    151,276,242.78x = 208,766,783.43 × 84,301,219.44
  4. Step 4: Simplify right side
    151,276,242.78x = 17,599,294,421,715,386
  5. Step 5: Solve for x
    x = 17,599,294,421,715,386/151,276,242.78
  6. Step 6: Final answer
    x = 116,338,785.91

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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.