Home / 53,940,130.65-80,885,042.37-28,025,465.18

Finding the Fourth Proportional to 53,940,130.65, 80,885,042.37 and 28,025,465.18

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Solution

The fourth proportional to 53,940,130.65, 80,885,042.37 and 28,025,465.18 is: 42,025,128.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,940,130.65 : 80,885,042.37 = 28,025,465.18 : x
  2. Step 2: Convert to fraction form
    53,940,130.65/80,885,042.37 = 28,025,465.18/x
  3. Step 3: Cross multiply
    53,940,130.65x = 80,885,042.37 × 28,025,465.18
  4. Step 4: Simplify right side
    53,940,130.65x = 2,266,840,938,118,834.50
  5. Step 5: Solve for x
    x = 2,266,840,938,118,834.50/53,940,130.65
  6. Step 6: Final answer
    x = 42,025,128.80

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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.