Home / 53,242,055.25-79,871,907.42-18,689,491.77

Finding the Fourth Proportional to 53,242,055.25, 79,871,907.42 and 18,689,491.77

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Solution

The fourth proportional to 53,242,055.25, 79,871,907.42 and 18,689,491.77 is: 28,037,335.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,242,055.25 : 79,871,907.42 = 18,689,491.77 : x
  2. Step 2: Convert to fraction form
    53,242,055.25/79,871,907.42 = 18,689,491.77/x
  3. Step 3: Cross multiply
    53,242,055.25x = 79,871,907.42 × 18,689,491.77
  4. Step 4: Simplify right side
    53,242,055.25x = 1,492,765,356,380,292
  5. Step 5: Solve for x
    x = 1,492,765,356,380,292/53,242,055.25
  6. Step 6: Final answer
    x = 28,037,335.32

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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.