Home / 72,576,381.57-108,880,336.29-26,518,176.60

Finding the Fourth Proportional to 72,576,381.57, 108,880,336.29 and 26,518,176.60

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Solution

The fourth proportional to 72,576,381.57, 108,880,336.29 and 26,518,176.60 is: 39,783,024.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,576,381.57 : 108,880,336.29 = 26,518,176.60 : x
  2. Step 2: Convert to fraction form
    72,576,381.57/108,880,336.29 = 26,518,176.60/x
  3. Step 3: Cross multiply
    72,576,381.57x = 108,880,336.29 × 26,518,176.60
  4. Step 4: Simplify right side
    72,576,381.57x = 2,887,307,986,005,609
  5. Step 5: Solve for x
    x = 2,887,307,986,005,609/72,576,381.57
  6. Step 6: Final answer
    x = 39,783,024.77

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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.