Home / 100,724,812.40-151,087,218.60-40,183,986.80

Finding the Fourth Proportional to 100,724,812.40, 151,087,218.60 and 40,183,986.80

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Solution

The fourth proportional to 100,724,812.40, 151,087,218.60 and 40,183,986.80 is: 60,275,980.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,724,812.40 : 151,087,218.60 = 40,183,986.80 : x
  2. Step 2: Convert to fraction form
    100,724,812.40/151,087,218.60 = 40,183,986.80/x
  3. Step 3: Cross multiply
    100,724,812.40x = 151,087,218.60 × 40,183,986.80
  4. Step 4: Simplify right side
    100,724,812.40x = 6,071,286,797,871,114
  5. Step 5: Solve for x
    x = 6,071,286,797,871,114/100,724,812.40
  6. Step 6: Final answer
    x = 60,275,980.20

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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.