Home / 115,652,102.40-159,598,412.28-66,091,908.51

Finding the Fourth Proportional to 115,652,102.40, 159,598,412.28 and 66,091,908.51

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Solution

The fourth proportional to 115,652,102.40, 159,598,412.28 and 66,091,908.51 is: 91,205,982.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,652,102.40 : 159,598,412.28 = 66,091,908.51 : x
  2. Step 2: Convert to fraction form
    115,652,102.40/159,598,412.28 = 66,091,908.51/x
  3. Step 3: Cross multiply
    115,652,102.40x = 159,598,412.28 × 66,091,908.51
  4. Step 4: Simplify right side
    115,652,102.40x = 10,548,163,662,751,020
  5. Step 5: Solve for x
    x = 10,548,163,662,751,020/115,652,102.40
  6. Step 6: Final answer
    x = 91,205,982.80

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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.