Home / 72,365,638.97-108,457,158.49-29,210,821.85

Finding the Fourth Proportional to 72,365,638.97, 108,457,158.49 and 29,210,821.85

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Solution

The fourth proportional to 72,365,638.97, 108,457,158.49 and 29,210,821.85 is: 43,779,379.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,365,638.97 : 108,457,158.49 = 29,210,821.85 : x
  2. Step 2: Convert to fraction form
    72,365,638.97/108,457,158.49 = 29,210,821.85/x
  3. Step 3: Cross multiply
    72,365,638.97x = 108,457,158.49 × 29,210,821.85
  4. Step 4: Simplify right side
    72,365,638.97x = 3,168,122,735,008,605
  5. Step 5: Solve for x
    x = 3,168,122,735,008,605/72,365,638.97
  6. Step 6: Final answer
    x = 43,779,379.00

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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.