Home / 121,967,900.40-182,913,009.48-40,067,769.12

Finding the Fourth Proportional to 121,967,900.40, 182,913,009.48 and 40,067,769.12

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Solution

The fourth proportional to 121,967,900.40, 182,913,009.48 and 40,067,769.12 is: 60,088,893.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,967,900.40 : 182,913,009.48 = 40,067,769.12 : x
  2. Step 2: Convert to fraction form
    121,967,900.40/182,913,009.48 = 40,067,769.12/x
  3. Step 3: Cross multiply
    121,967,900.40x = 182,913,009.48 × 40,067,769.12
  4. Step 4: Simplify right side
    121,967,900.40x = 7,328,916,232,889,010
  5. Step 5: Solve for x
    x = 7,328,916,232,889,010/121,967,900.40
  6. Step 6: Final answer
    x = 60,088,893.95

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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.