Home / 65,748,426.70-98,622,640.05-55,066,462.60

Finding the Fourth Proportional to 65,748,426.70, 98,622,640.05 and 55,066,462.60

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Solution

The fourth proportional to 65,748,426.70, 98,622,640.05 and 55,066,462.60 is: 82,599,693.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,748,426.70 : 98,622,640.05 = 55,066,462.60 : x
  2. Step 2: Convert to fraction form
    65,748,426.70/98,622,640.05 = 55,066,462.60/x
  3. Step 3: Cross multiply
    65,748,426.70x = 98,622,640.05 × 55,066,462.60
  4. Step 4: Simplify right side
    65,748,426.70x = 5,430,799,919,826,587
  5. Step 5: Solve for x
    x = 5,430,799,919,826,587/65,748,426.70
  6. Step 6: Final answer
    x = 82,599,693.90

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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.