Home / 72,575,826.53-100,154,596.50-39,980,778.53

Finding the Fourth Proportional to 72,575,826.53, 100,154,596.50 and 39,980,778.53

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Solution

The fourth proportional to 72,575,826.53, 100,154,596.50 and 39,980,778.53 is: 55,173,450.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,575,826.53 : 100,154,596.50 = 39,980,778.53 : x
  2. Step 2: Convert to fraction form
    72,575,826.53/100,154,596.50 = 39,980,778.53/x
  3. Step 3: Cross multiply
    72,575,826.53x = 100,154,596.50 × 39,980,778.53
  4. Step 4: Simplify right side
    72,575,826.53x = 4,004,258,740,927,240
  5. Step 5: Solve for x
    x = 4,004,258,740,927,240/72,575,826.53
  6. Step 6: Final answer
    x = 55,173,450.07

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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.