Home / 159,089,879.92-219,518,738.67-89,461,814.17

Finding the Fourth Proportional to 159,089,879.92, 219,518,738.67 and 89,461,814.17

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Solution

The fourth proportional to 159,089,879.92, 219,518,738.67 and 89,461,814.17 is: 123,443,078.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,089,879.92 : 219,518,738.67 = 89,461,814.17 : x
  2. Step 2: Convert to fraction form
    159,089,879.92/219,518,738.67 = 89,461,814.17/x
  3. Step 3: Cross multiply
    159,089,879.92x = 219,518,738.67 × 89,461,814.17
  4. Step 4: Simplify right side
    159,089,879.92x = 19,638,544,605,281,024
  5. Step 5: Solve for x
    x = 19,638,544,605,281,024/159,089,879.92
  6. Step 6: Final answer
    x = 123,443,078.94

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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.