Home / 65,581,427.80-98,372,141.70-31,494,554.20

Finding the Fourth Proportional to 65,581,427.80, 98,372,141.70 and 31,494,554.20

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Solution

The fourth proportional to 65,581,427.80, 98,372,141.70 and 31,494,554.20 is: 47,241,831.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,581,427.80 : 98,372,141.70 = 31,494,554.20 : x
  2. Step 2: Convert to fraction form
    65,581,427.80/98,372,141.70 = 31,494,554.20/x
  3. Step 3: Cross multiply
    65,581,427.80x = 98,372,141.70 × 31,494,554.20
  4. Step 4: Simplify right side
    65,581,427.80x = 3,098,186,748,540,730
  5. Step 5: Solve for x
    x = 3,098,186,748,540,730/65,581,427.80
  6. Step 6: Final answer
    x = 47,241,831.30

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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.