Home / 120,973,587.80-181,460,381.70-40,194,555.80

Finding the Fourth Proportional to 120,973,587.80, 181,460,381.70 and 40,194,555.80

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Solution

The fourth proportional to 120,973,587.80, 181,460,381.70 and 40,194,555.80 is: 60,291,833.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,973,587.80 : 181,460,381.70 = 40,194,555.80 : x
  2. Step 2: Convert to fraction form
    120,973,587.80/181,460,381.70 = 40,194,555.80/x
  3. Step 3: Cross multiply
    120,973,587.80x = 181,460,381.70 × 40,194,555.80
  4. Step 4: Simplify right side
    120,973,587.80x = 7,293,719,437,729,948
  5. Step 5: Solve for x
    x = 7,293,719,437,729,948/120,973,587.80
  6. Step 6: Final answer
    x = 60,291,833.70

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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.