Home / 86,715,496.86-130,144,802.28-43,596,954.78

Finding the Fourth Proportional to 86,715,496.86, 130,144,802.28 and 43,596,954.78

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Solution

The fourth proportional to 86,715,496.86, 130,144,802.28 and 43,596,954.78 is: 65,431,408.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,715,496.86 : 130,144,802.28 = 43,596,954.78 : x
  2. Step 2: Convert to fraction form
    86,715,496.86/130,144,802.28 = 43,596,954.78/x
  3. Step 3: Cross multiply
    86,715,496.86x = 130,144,802.28 × 43,596,954.78
  4. Step 4: Simplify right side
    86,715,496.86x = 5,673,917,059,853,201
  5. Step 5: Solve for x
    x = 5,673,917,059,853,201/86,715,496.86
  6. Step 6: Final answer
    x = 65,431,408.06

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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.