Home / 120,780,180.15-181,170,270.23-29,903,770.23

Finding the Fourth Proportional to 120,780,180.15, 181,170,270.23 and 29,903,770.23

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Solution

The fourth proportional to 120,780,180.15, 181,170,270.23 and 29,903,770.23 is: 44,855,655.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,780,180.15 : 181,170,270.23 = 29,903,770.23 : x
  2. Step 2: Convert to fraction form
    120,780,180.15/181,170,270.23 = 29,903,770.23/x
  3. Step 3: Cross multiply
    120,780,180.15x = 181,170,270.23 × 29,903,770.23
  4. Step 4: Simplify right side
    120,780,180.15x = 5,417,674,133,315,410
  5. Step 5: Solve for x
    x = 5,417,674,133,315,410/120,780,180.15
  6. Step 6: Final answer
    x = 44,855,655.35

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Double scale
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Similar ratio
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1.5x scale

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.