Home / 147,240,398,805.64-220,924,379,290.37-79,091,942,480.54

Finding the Fourth Proportional to 147,240,398,805.64, 220,924,379,290.37 and 79,091,942,480.54

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Solution

The fourth proportional to 147,240,398,805.64, 220,924,379,290.37 and 79,091,942,480.54 is: 118,672,174,492.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,240,398,805.64 : 220,924,379,290.37 = 79,091,942,480.54 : x
  2. Step 2: Convert to fraction form
    147,240,398,805.64/220,924,379,290.37 = 79,091,942,480.54/x
  3. Step 3: Cross multiply
    147,240,398,805.64x = 220,924,379,290.37 × 79,091,942,480.54
  4. Step 4: Simplify right side
    147,240,398,805.64x = 17,473,338,299,382,943,973,376
  5. Step 5: Solve for x
    x = 17,473,338,299,382,943,973,376/147,240,398,805.64
  6. Step 6: Final answer
    x = 118,672,174,492.33

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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.