Home / 131,597,343.96-181,616,520.96-72,860,009.64

Finding the Fourth Proportional to 131,597,343.96, 181,616,520.96 and 72,860,009.64

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Solution

The fourth proportional to 131,597,343.96, 181,616,520.96 and 72,860,009.64 is: 100,553,560.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,597,343.96 : 181,616,520.96 = 72,860,009.64 : x
  2. Step 2: Convert to fraction form
    131,597,343.96/181,616,520.96 = 72,860,009.64/x
  3. Step 3: Cross multiply
    131,597,343.96x = 181,616,520.96 × 72,860,009.64
  4. Step 4: Simplify right side
    131,597,343.96x = 13,232,581,467,928,862
  5. Step 5: Solve for x
    x = 13,232,581,467,928,862/131,597,343.96
  6. Step 6: Final answer
    x = 100,553,560.35

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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.