Home / 120,973,868.20-181,460,802.30-40,194,836.20

Finding the Fourth Proportional to 120,973,868.20, 181,460,802.30 and 40,194,836.20

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Solution

The fourth proportional to 120,973,868.20, 181,460,802.30 and 40,194,836.20 is: 60,292,254.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,973,868.20 : 181,460,802.30 = 40,194,836.20 : x
  2. Step 2: Convert to fraction form
    120,973,868.20/181,460,802.30 = 40,194,836.20/x
  3. Step 3: Cross multiply
    120,973,868.20x = 181,460,802.30 × 40,194,836.20
  4. Step 4: Simplify right side
    120,973,868.20x = 7,293,787,225,169,084
  5. Step 5: Solve for x
    x = 7,293,787,225,169,084/120,973,868.20
  6. Step 6: Final answer
    x = 60,292,254.30

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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.