Home / 100,724,740.20-151,087,110.30-70,113,738.60

Finding the Fourth Proportional to 100,724,740.20, 151,087,110.30 and 70,113,738.60

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Solution

The fourth proportional to 100,724,740.20, 151,087,110.30 and 70,113,738.60 is: 105,170,607.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,724,740.20 : 151,087,110.30 = 70,113,738.60 : x
  2. Step 2: Convert to fraction form
    100,724,740.20/151,087,110.30 = 70,113,738.60/x
  3. Step 3: Cross multiply
    100,724,740.20x = 151,087,110.30 × 70,113,738.60
  4. Step 4: Simplify right side
    100,724,740.20x = 10,593,282,157,403,568
  5. Step 5: Solve for x
    x = 10,593,282,157,403,568/100,724,740.20
  6. Step 6: Final answer
    x = 105,170,607.90

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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.