Home / 65,011,049.21-89,715,367.80-35,241,605.21

Finding the Fourth Proportional to 65,011,049.21, 89,715,367.80 and 35,241,605.21

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Solution

The fourth proportional to 65,011,049.21, 89,715,367.80 and 35,241,605.21 is: 48,633,480.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,011,049.21 : 89,715,367.80 = 35,241,605.21 : x
  2. Step 2: Convert to fraction form
    65,011,049.21/89,715,367.80 = 35,241,605.21/x
  3. Step 3: Cross multiply
    65,011,049.21x = 89,715,367.80 × 35,241,605.21
  4. Step 4: Simplify right side
    65,011,049.21x = 3,161,713,572,828,969
  5. Step 5: Solve for x
    x = 3,161,713,572,828,969/65,011,049.21
  6. Step 6: Final answer
    x = 48,633,480.18

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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.