Home / 159,089,879.42-219,518,737.98-89,461,813.67

Finding the Fourth Proportional to 159,089,879.42, 219,518,737.98 and 89,461,813.67

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Solution

The fourth proportional to 159,089,879.42, 219,518,737.98 and 89,461,813.67 is: 123,443,078.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,089,879.42 : 219,518,737.98 = 89,461,813.67 : x
  2. Step 2: Convert to fraction form
    159,089,879.42/219,518,737.98 = 89,461,813.67/x
  3. Step 3: Cross multiply
    159,089,879.42x = 219,518,737.98 × 89,461,813.67
  4. Step 4: Simplify right side
    159,089,879.42x = 19,638,544,433,630,432
  5. Step 5: Solve for x
    x = 19,638,544,433,630,432/159,089,879.42
  6. Step 6: Final answer
    x = 123,443,078.25

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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.