Home / 158,253,203.64-218,496,064.48-98,805,105.30

Finding the Fourth Proportional to 158,253,203.64, 218,496,064.48 and 98,805,105.30

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Solution

The fourth proportional to 158,253,203.64, 218,496,064.48 and 98,805,105.30 is: 136,417,627.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,253,203.64 : 218,496,064.48 = 98,805,105.30 : x
  2. Step 2: Convert to fraction form
    158,253,203.64/218,496,064.48 = 98,805,105.30/x
  3. Step 3: Cross multiply
    158,253,203.64x = 218,496,064.48 × 98,805,105.30
  4. Step 4: Simplify right side
    158,253,203.64x = 21,588,526,658,581,988
  5. Step 5: Solve for x
    x = 21,588,526,658,581,988/158,253,203.64
  6. Step 6: Final answer
    x = 136,417,627.97

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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.