Home / 54,402,457.20-81,603,685.80-38,246,650.80

Finding the Fourth Proportional to 54,402,457.20, 81,603,685.80 and 38,246,650.80

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Solution

The fourth proportional to 54,402,457.20, 81,603,685.80 and 38,246,650.80 is: 57,369,976.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,402,457.20 : 81,603,685.80 = 38,246,650.80 : x
  2. Step 2: Convert to fraction form
    54,402,457.20/81,603,685.80 = 38,246,650.80/x
  3. Step 3: Cross multiply
    54,402,457.20x = 81,603,685.80 × 38,246,650.80
  4. Step 4: Simplify right side
    54,402,457.20x = 3,121,067,674,785,518.50
  5. Step 5: Solve for x
    x = 3,121,067,674,785,518.50/54,402,457.20
  6. Step 6: Final answer
    x = 57,369,976.20

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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.