Home / 140,634,343.86-210,906,796.50-131,453,426.08

Finding the Fourth Proportional to 140,634,343.86, 210,906,796.50 and 131,453,426.08

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Solution

The fourth proportional to 140,634,343.86, 210,906,796.50 and 131,453,426.08 is: 197,138,339.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,634,343.86 : 210,906,796.50 = 131,453,426.08 : x
  2. Step 2: Convert to fraction form
    140,634,343.86/210,906,796.50 = 131,453,426.08/x
  3. Step 3: Cross multiply
    140,634,343.86x = 210,906,796.50 × 131,453,426.08
  4. Step 4: Simplify right side
    140,634,343.86x = 27,724,420,983,482,352
  5. Step 5: Solve for x
    x = 27,724,420,983,482,352/140,634,343.86
  6. Step 6: Final answer
    x = 197,138,339.20

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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.