Home / 100,723,482.20-151,085,223.30-70,112,480.60

Finding the Fourth Proportional to 100,723,482.20, 151,085,223.30 and 70,112,480.60

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Solution

The fourth proportional to 100,723,482.20, 151,085,223.30 and 70,112,480.60 is: 105,168,720.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,723,482.20 : 151,085,223.30 = 70,112,480.60 : x
  2. Step 2: Convert to fraction form
    100,723,482.20/151,085,223.30 = 70,112,480.60/x
  3. Step 3: Cross multiply
    100,723,482.20x = 151,085,223.30 × 70,112,480.60
  4. Step 4: Simplify right side
    100,723,482.20x = 10,592,959,787,567,918
  5. Step 5: Solve for x
    x = 10,592,959,787,567,918/100,723,482.20
  6. Step 6: Final answer
    x = 105,168,720.90

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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.