Home / 54,457,718.40-81,686,577.60-28,885,564.80

Finding the Fourth Proportional to 54,457,718.40, 81,686,577.60 and 28,885,564.80

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Solution

The fourth proportional to 54,457,718.40, 81,686,577.60 and 28,885,564.80 is: 43,328,347.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,457,718.40 : 81,686,577.60 = 28,885,564.80 : x
  2. Step 2: Convert to fraction form
    54,457,718.40/81,686,577.60 = 28,885,564.80/x
  3. Step 3: Cross multiply
    54,457,718.40x = 81,686,577.60 × 28,885,564.80
  4. Step 4: Simplify right side
    54,457,718.40x = 2,359,562,930,555,028.50
  5. Step 5: Solve for x
    x = 2,359,562,930,555,028.50/54,457,718.40
  6. Step 6: Final answer
    x = 43,328,347.20

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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.