Home / 113,109,989.79-169,664,733.83-30,111,762.67

Finding the Fourth Proportional to 113,109,989.79, 169,664,733.83 and 30,111,762.67

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Solution

The fourth proportional to 113,109,989.79, 169,664,733.83 and 30,111,762.67 is: 45,167,577.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,109,989.79 : 169,664,733.83 = 30,111,762.67 : x
  2. Step 2: Convert to fraction form
    113,109,989.79/169,664,733.83 = 30,111,762.67/x
  3. Step 3: Cross multiply
    113,109,989.79x = 169,664,733.83 × 30,111,762.67
  4. Step 4: Simplify right side
    113,109,989.79x = 5,108,904,198,407,121
  5. Step 5: Solve for x
    x = 5,108,904,198,407,121/113,109,989.79
  6. Step 6: Final answer
    x = 45,167,577.22

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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.