Home / 65,426,674.05-90,304,195.86-40,665,561.03

Finding the Fourth Proportional to 65,426,674.05, 90,304,195.86 and 40,665,561.03

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Solution

The fourth proportional to 65,426,674.05, 90,304,195.86 and 40,665,561.03 is: 56,128,037.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,426,674.05 : 90,304,195.86 = 40,665,561.03 : x
  2. Step 2: Convert to fraction form
    65,426,674.05/90,304,195.86 = 40,665,561.03/x
  3. Step 3: Cross multiply
    65,426,674.05x = 90,304,195.86 × 40,665,561.03
  4. Step 4: Simplify right side
    65,426,674.05x = 3,672,270,788,009,903.50
  5. Step 5: Solve for x
    x = 3,672,270,788,009,903.50/65,426,674.05
  6. Step 6: Final answer
    x = 56,128,037.09

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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.