Home / 243,321,315.66-335,781,978.12-131,814,282.42

Finding the Fourth Proportional to 243,321,315.66, 335,781,978.12 and 131,814,282.42

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Solution

The fourth proportional to 243,321,315.66, 335,781,978.12 and 131,814,282.42 is: 181,902,931.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,321,315.66 : 335,781,978.12 = 131,814,282.42 : x
  2. Step 2: Convert to fraction form
    243,321,315.66/335,781,978.12 = 131,814,282.42/x
  3. Step 3: Cross multiply
    243,321,315.66x = 335,781,978.12 × 131,814,282.42
  4. Step 4: Simplify right side
    243,321,315.66x = 44,260,860,495,455,944
  5. Step 5: Solve for x
    x = 44,260,860,495,455,944/243,321,315.66
  6. Step 6: Final answer
    x = 181,902,931.01

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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.