Home / 147,032,986.30-220,573,436.82-43,412,666.20

Finding the Fourth Proportional to 147,032,986.30, 220,573,436.82 and 43,412,666.20

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Solution

The fourth proportional to 147,032,986.30, 220,573,436.82 and 43,412,666.20 is: 65,126,072.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,032,986.30 : 220,573,436.82 = 43,412,666.20 : x
  2. Step 2: Convert to fraction form
    147,032,986.30/220,573,436.82 = 43,412,666.20/x
  3. Step 3: Cross multiply
    147,032,986.30x = 220,573,436.82 × 43,412,666.20
  4. Step 4: Simplify right side
    147,032,986.30x = 9,575,680,985,253,450
  5. Step 5: Solve for x
    x = 9,575,680,985,253,450/147,032,986.30
  6. Step 6: Final answer
    x = 65,126,072.91

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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.