Home / 291,076,645.56-401,683,691.16-158,917,637.76

Finding the Fourth Proportional to 291,076,645.56, 401,683,691.16 and 158,917,637.76

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Solution

The fourth proportional to 291,076,645.56, 401,683,691.16 and 158,917,637.76 is: 219,305,204.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,076,645.56 : 401,683,691.16 = 158,917,637.76 : x
  2. Step 2: Convert to fraction form
    291,076,645.56/401,683,691.16 = 158,917,637.76/x
  3. Step 3: Cross multiply
    291,076,645.56x = 401,683,691.16 × 158,917,637.76
  4. Step 4: Simplify right side
    291,076,645.56x = 63,834,623,325,864,592
  5. Step 5: Solve for x
    x = 63,834,623,325,864,592/291,076,645.56
  6. Step 6: Final answer
    x = 219,305,204.66

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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.