Home / 65,972,321,330.16-98,988,916,259.88-30,128,066,708.52

Finding the Fourth Proportional to 65,972,321,330.16, 98,988,916,259.88 and 30,128,066,708.52

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Solution

The fourth proportional to 65,972,321,330.16, 98,988,916,259.88 and 30,128,066,708.52 is: 45,205,998,702.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,972,321,330.16 : 98,988,916,259.88 = 30,128,066,708.52 : x
  2. Step 2: Convert to fraction form
    65,972,321,330.16/98,988,916,259.88 = 30,128,066,708.52/x
  3. Step 3: Cross multiply
    65,972,321,330.16x = 98,988,916,259.88 × 30,128,066,708.52
  4. Step 4: Simplify right side
    65,972,321,330.16x = 2,982,344,672,481,764,704,256
  5. Step 5: Solve for x
    x = 2,982,344,672,481,764,704,256/65,972,321,330.16
  6. Step 6: Final answer
    x = 45,205,998,702.95

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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.