Home / 72,846,395.12-100,528,291.96-39,806,648.22

Finding the Fourth Proportional to 72,846,395.12, 100,528,291.96 and 39,806,648.22

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Solution

The fourth proportional to 72,846,395.12, 100,528,291.96 and 39,806,648.22 is: 54,933,320.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,846,395.12 : 100,528,291.96 = 39,806,648.22 : x
  2. Step 2: Convert to fraction form
    72,846,395.12/100,528,291.96 = 39,806,648.22/x
  3. Step 3: Cross multiply
    72,846,395.12x = 100,528,291.96 × 39,806,648.22
  4. Step 4: Simplify right side
    72,846,395.12x = 4,001,694,354,209,174
  5. Step 5: Solve for x
    x = 4,001,694,354,209,174/72,846,395.12
  6. Step 6: Final answer
    x = 54,933,320.28

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.