Home / 73,292,115.10-109,938,110.06-18,704,696.24

Finding the Fourth Proportional to 73,292,115.10, 109,938,110.06 and 18,704,696.24

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Solution

The fourth proportional to 73,292,115.10, 109,938,110.06 and 18,704,696.24 is: 28,057,028.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,292,115.10 : 109,938,110.06 = 18,704,696.24 : x
  2. Step 2: Convert to fraction form
    73,292,115.10/109,938,110.06 = 18,704,696.24/x
  3. Step 3: Cross multiply
    73,292,115.10x = 109,938,110.06 × 18,704,696.24
  4. Step 4: Simplify right side
    73,292,115.10x = 2,056,358,953,871,988
  5. Step 5: Solve for x
    x = 2,056,358,953,871,988/73,292,115.10
  6. Step 6: Final answer
    x = 28,057,028.39

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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.