Home / 105,434,168.22-158,161,715.91-38,978,015.94

Finding the Fourth Proportional to 105,434,168.22, 158,161,715.91 and 38,978,015.94

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Solution

The fourth proportional to 105,434,168.22, 158,161,715.91 and 38,978,015.94 is: 58,470,892.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,434,168.22 : 158,161,715.91 = 38,978,015.94 : x
  2. Step 2: Convert to fraction form
    105,434,168.22/158,161,715.91 = 38,978,015.94/x
  3. Step 3: Cross multiply
    105,434,168.22x = 158,161,715.91 × 38,978,015.94
  4. Step 4: Simplify right side
    105,434,168.22x = 6,164,829,883,837,731
  5. Step 5: Solve for x
    x = 6,164,829,883,837,731/105,434,168.22
  6. Step 6: Final answer
    x = 58,470,892.20

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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.