Home / 385,076,396.96-577,557,778.80-112,373,943.20

Finding the Fourth Proportional to 385,076,396.96, 577,557,778.80 and 112,373,943.20

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Solution

The fourth proportional to 385,076,396.96, 577,557,778.80 and 112,373,943.20 is: 168,544,334.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,076,396.96 : 577,557,778.80 = 112,373,943.20 : x
  2. Step 2: Convert to fraction form
    385,076,396.96/577,557,778.80 = 112,373,943.20/x
  3. Step 3: Cross multiply
    385,076,396.96x = 577,557,778.80 × 112,373,943.20
  4. Step 4: Simplify right side
    385,076,396.96x = 64,902,445,029,589,360
  5. Step 5: Solve for x
    x = 64,902,445,029,589,360/385,076,396.96
  6. Step 6: Final answer
    x = 168,544,334.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.