Home / 42,143,537.47-58,167,457.22-25,620,159.25

Finding the Fourth Proportional to 42,143,537.47, 58,167,457.22 and 25,620,159.25

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Solution

The fourth proportional to 42,143,537.47, 58,167,457.22 and 25,620,159.25 is: 35,361,519.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,143,537.47 : 58,167,457.22 = 25,620,159.25 : x
  2. Step 2: Convert to fraction form
    42,143,537.47/58,167,457.22 = 25,620,159.25/x
  3. Step 3: Cross multiply
    42,143,537.47x = 58,167,457.22 × 25,620,159.25
  4. Step 4: Simplify right side
    42,143,537.47x = 1,490,259,517,143,962.25
  5. Step 5: Solve for x
    x = 1,490,259,517,143,962.25/42,143,537.47
  6. Step 6: Final answer
    x = 35,361,519.38

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Why These Related Problems?

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