Home / 291,076,562.80-401,683,577.01-158,917,555.24

Finding the Fourth Proportional to 291,076,562.80, 401,683,577.01 and 158,917,555.24

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Solution

The fourth proportional to 291,076,562.80, 401,683,577.01 and 158,917,555.24 is: 219,305,090.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,076,562.80 : 401,683,577.01 = 158,917,555.24 : x
  2. Step 2: Convert to fraction form
    291,076,562.80/401,683,577.01 = 158,917,555.24/x
  3. Step 3: Cross multiply
    291,076,562.80x = 401,683,577.01 × 158,917,555.24
  4. Step 4: Simplify right side
    291,076,562.80x = 63,834,572,038,487,472
  5. Step 5: Solve for x
    x = 63,834,572,038,487,472/291,076,562.80
  6. Step 6: Final answer
    x = 219,305,090.81

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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.