Home / 55,426,869.41-76,490,690.64-30,310,455.18

Finding the Fourth Proportional to 55,426,869.41, 76,490,690.64 and 30,310,455.18

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Solution

The fourth proportional to 55,426,869.41, 76,490,690.64 and 30,310,455.18 is: 41,829,309.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,426,869.41 : 76,490,690.64 = 30,310,455.18 : x
  2. Step 2: Convert to fraction form
    55,426,869.41/76,490,690.64 = 30,310,455.18/x
  3. Step 3: Cross multiply
    55,426,869.41x = 76,490,690.64 × 30,310,455.18
  4. Step 4: Simplify right side
    55,426,869.41x = 2,318,467,649,944,022.50
  5. Step 5: Solve for x
    x = 2,318,467,649,944,022.50/55,426,869.41
  6. Step 6: Final answer
    x = 41,829,309.04

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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.