Home / 120,973,554.30-181,460,331.45-40,194,522.30

Finding the Fourth Proportional to 120,973,554.30, 181,460,331.45 and 40,194,522.30

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Solution

The fourth proportional to 120,973,554.30, 181,460,331.45 and 40,194,522.30 is: 60,291,783.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,973,554.30 : 181,460,331.45 = 40,194,522.30 : x
  2. Step 2: Convert to fraction form
    120,973,554.30/181,460,331.45 = 40,194,522.30/x
  3. Step 3: Cross multiply
    120,973,554.30x = 181,460,331.45 × 40,194,522.30
  4. Step 4: Simplify right side
    120,973,554.30x = 7,293,711,339,032,415
  5. Step 5: Solve for x
    x = 7,293,711,339,032,415/120,973,554.30
  6. Step 6: Final answer
    x = 60,291,783.45

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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.