Home / 65,426,675.05-90,304,197.24-40,665,562.03

Finding the Fourth Proportional to 65,426,675.05, 90,304,197.24 and 40,665,562.03

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Solution

The fourth proportional to 65,426,675.05, 90,304,197.24 and 40,665,562.03 is: 56,128,038.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,426,675.05 : 90,304,197.24 = 40,665,562.03 : x
  2. Step 2: Convert to fraction form
    65,426,675.05/90,304,197.24 = 40,665,562.03/x
  3. Step 3: Cross multiply
    65,426,675.05x = 90,304,197.24 × 40,665,562.03
  4. Step 4: Simplify right side
    65,426,675.05x = 3,672,270,934,432,574.50
  5. Step 5: Solve for x
    x = 3,672,270,934,432,574.50/65,426,675.05
  6. Step 6: Final answer
    x = 56,128,038.47

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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.