Home / 115,669,014.36-159,623,227.94-65,432,159.56

Finding the Fourth Proportional to 115,669,014.36, 159,623,227.94 and 65,432,159.56

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Solution

The fourth proportional to 115,669,014.36, 159,623,227.94 and 65,432,159.56 is: 90,296,373.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,669,014.36 : 159,623,227.94 = 65,432,159.56 : x
  2. Step 2: Convert to fraction form
    115,669,014.36/159,623,227.94 = 65,432,159.56/x
  3. Step 3: Cross multiply
    115,669,014.36x = 159,623,227.94 × 65,432,159.56
  4. Step 4: Simplify right side
    115,669,014.36x = 10,444,492,520,052,330
  5. Step 5: Solve for x
    x = 10,444,492,520,052,330/115,669,014.36
  6. Step 6: Final answer
    x = 90,296,373.47

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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.