Home / 72,772,823.50-100,435,302.72-41,418,495.86

Finding the Fourth Proportional to 72,772,823.50, 100,435,302.72 and 41,418,495.86

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Solution

The fourth proportional to 72,772,823.50, 100,435,302.72 and 41,418,495.86 is: 57,162,536.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,772,823.50 : 100,435,302.72 = 41,418,495.86 : x
  2. Step 2: Convert to fraction form
    72,772,823.50/100,435,302.72 = 41,418,495.86/x
  3. Step 3: Cross multiply
    72,772,823.50x = 100,435,302.72 × 41,418,495.86
  4. Step 4: Simplify right side
    72,772,823.50x = 4,159,879,169,906,166.50
  5. Step 5: Solve for x
    x = 4,159,879,169,906,166.50/72,772,823.50
  6. Step 6: Final answer
    x = 57,162,536.37

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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.