Home / 65,748,427.20-98,622,640.80-55,066,463.10

Finding the Fourth Proportional to 65,748,427.20, 98,622,640.80 and 55,066,463.10

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Solution

The fourth proportional to 65,748,427.20, 98,622,640.80 and 55,066,463.10 is: 82,599,694.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,748,427.20 : 98,622,640.80 = 55,066,463.10 : x
  2. Step 2: Convert to fraction form
    65,748,427.20/98,622,640.80 = 55,066,463.10/x
  3. Step 3: Cross multiply
    65,748,427.20x = 98,622,640.80 × 55,066,463.10
  4. Step 4: Simplify right side
    65,748,427.20x = 5,430,800,010,437,754
  5. Step 5: Solve for x
    x = 5,430,800,010,437,754/65,748,427.20
  6. Step 6: Final answer
    x = 82,599,694.65

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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.