Home / 100,724,815.40-151,087,223.10-40,183,989.80

Finding the Fourth Proportional to 100,724,815.40, 151,087,223.10 and 40,183,989.80

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Solution

The fourth proportional to 100,724,815.40, 151,087,223.10 and 40,183,989.80 is: 60,275,984.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,724,815.40 : 151,087,223.10 = 40,183,989.80 : x
  2. Step 2: Convert to fraction form
    100,724,815.40/151,087,223.10 = 40,183,989.80/x
  3. Step 3: Cross multiply
    100,724,815.40x = 151,087,223.10 × 40,183,989.80
  4. Step 4: Simplify right side
    100,724,815.40x = 6,071,287,431,960,724
  5. Step 5: Solve for x
    x = 6,071,287,431,960,724/100,724,815.40
  6. Step 6: Final answer
    x = 60,275,984.70

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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.