Home / 115,691,995.04-159,657,712.27-66,136,979.52

Finding the Fourth Proportional to 115,691,995.04, 159,657,712.27 and 66,136,979.52

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Solution

The fourth proportional to 115,691,995.04, 159,657,712.27 and 66,136,979.52 is: 91,270,609.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,691,995.04 : 159,657,712.27 = 66,136,979.52 : x
  2. Step 2: Convert to fraction form
    115,691,995.04/159,657,712.27 = 66,136,979.52/x
  3. Step 3: Cross multiply
    115,691,995.04x = 159,657,712.27 × 66,136,979.52
  4. Step 4: Simplify right side
    115,691,995.04x = 10,559,278,846,445,702
  5. Step 5: Solve for x
    x = 10,559,278,846,445,702/115,691,995.04
  6. Step 6: Final answer
    x = 91,270,609.03

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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.